Scientific publications

Andrology publications

Published in 2000 in the journal Masculinity
1. Shafik A, Al-Sibai and, Shafik A, Al-Sibai,
Erectile dysfunction syndrome. secondly. Anal fissure and erectile dysfunction. Int J Impot Res12:279-283.

Published in 2004 in the journal Privacy Masculinity
2. Shafik A, Shafik A, Asaad S, Wahdan M, Morris M
The glansal ligament: Description and functional importance of the ligament that connects the corpora cavernosa to the glans penis. Int J Imp Res 16:220-223.

Published in 2004 in the journal Privacy Masculinity
3. Shafik A, Shafik I, Al-Sibai, Shafik A
Hyperactivity of the corpora cavernosa: Another cause of erectile dysfunction. Andrologia 36: 383-378.

Published in 2004 in the journal Privacy Masculinity
3. Shafik A, Shafik I, Al-Sibai, Shafik A
Hyperactivity of the corpora cavernosa: Another cause of erectile dysfunction. Andrologia 36: 383-378.

Published in 2004 in the journal Masculinity
4. Shafik A, Shafik A. Al-Sibai, Shafik A
Electroretinography in erectile dysfunction: a diagnostic tool. Arch Androl 50:317–325.

Published in 2005 JOURNAL PUBMED SPECIALTY NEUROLOGY
5. Shafik A., Al-Sibai, Shafik I, Shafik A
Transcutaneous electroretinography: A tool for recording the electrical activity of the cavernous muscles of the corpus cavernosum. J Urol 174:629-631.

Published in 2005 JOURNALPUBMED SPECIALTYAndrology
6. Shafik A, Shafik A. Shafik, Al-Sibai
The urethral sphincter responds to stimulation of the cavernosal muscles with the cavernosal and urethral reflex identified. Arch Androl 51:335–343.

Published in 2005 JOURNALPUBMED SPECIALTYAndrology
7. Shafik A, Shafik A. Shafik, Al-Sibai
The corpora cavernosa and its role in erection are approached. Arch Androl 51:425–430.

Published in 2005 JOURNALPUBMED SPECIALTYAndrology
8. Shafik A, Shafik I, Al-Sibai, Shafik A
Electrical waves are recorded from the testicle: are they capsular or from testicular tissue? Int J Androl 28:350-354

Published in 2005 JOURNALPUBMED SPECIALTYAndrology
9. Shafik A, Shafik A. Al-Sibai, Shafik Al-Awwal
Tunica albuginea intervention: a new technique for treating erectile dysfunction. Andrologia 37: 180-184

Published in 2005 JOURNALPUBMED SPECIALTYAndrology  
10. Shafik A, Shafik A, Al-Sibai W
Electrical activity of the testicular tunica albuginea during ejaculation: a canine study. Exp Biol Med 230(8):569–572.

Published in 2006 JOURNALPubMedSPECIALTYAndrology
11. Shafik A, Shafik A. Shafik I, Al-Sibai
Hypoactive corpora cavernosa with degenerative erectile dysfunction: a new syndrome. BMC Urology 6:13–20.

Published in 2006 JOURNALPubMedSPECIALTYAndrology
12. Shafik A., Al-Sibai, Shafik A
Vaginal and uterine pressure response to vaginal and uterine semen deposition: a human study. Clean. Earn. Obst. And Jane. 33: 107-109.

Published in 2006 JOURNALPubMedSPECIALTYAndrology
13. Shafik A, Shafik A, Al-Sibai W, Shafik A
Interstitial cells of Cajal in erectile dysfunction. Arch Androl 52:255–262.

Published in 2006 JOURNALPubMedSPECIALTYAndrology
14. Shafik A, Shafik I, Al-Sibai, Shafik A
The effect of contraction of the external anal sphincter on the ischiocavernosus muscle and its proposed role in the sexual act. J Androl 27:40-44.

Published in 2006 JOURNALPubMedSPECIALTYAndrology  
15. Shafik A, Shafik I, Shafik A
Anal cavernosal reflex: Response of the anal sphincter to stimulation of the cavernosal muscles. Ian J Androl 8:331-336.

Published in 2006 JOURNALPubMedSPECIALTYAndrology
16. Shafik A, Shafik A. Al-Sibai, Shafik Al-Awwal
The role of the tunica albuginea in erection: Is it dynamic or static? Arch Androl 52:81–86.

Published in 2006 JOURNALPubMedSPECIALTYAndrology
17. Shafik A, Shafik A. Al-Sibai, Shafik Al-Awwal
Prostate contractile activity upon ejaculation: an electrophysiological study. Urology 67:793-796.

Published in 2006 JOURNALPubMedSPECIALTYAndrology
18. Shafik A, Shafik I, Al-Sibai, Shafik A
Study of the cremaster muscle during erection: identification of the “penile cremasteric reflex.” Surg Radiol Anat 28: 569-572.

Published in 2006 JOURNALPubMedSPECIALTYAndrology
19. Shafik A, Shafik I, Al-Sibai, Shafik A
The cremaster stress reflex: identification of a new reflex and its role during increased intra-abdominal pressure. Surg Radiol Anat 28:387–390.

Published in 2006 JOURNALPubMedSPECIALTYAndrology  
20. Shafik A, Shafik A. Al-Sibai, Shafik Al-Awwal
Sperm DNA fragmentation. Arch Androl 52:197–208.

Published in 2006 JOURNALPubMedSPECIALTYAndrology
21. Shafik Abdul Rahman Al-Sibai, Shafik Al-Awal, Shafik A
Corpora cavernosa as an alternative route for blood transfusion. Frontiers in Biosci 11: 2535-2537.

Published in 2006 JOURNALPubMedSPECIALTYAndrology
22. Shafik A, Al-Sibai F, Shafik I, Shafik A
Contraction of cavernosal muscles during erection: is it voluntary or reflexive, given the striated nature of the muscles? J Androl 27:695-706.

Published in 2006 JOURNALPubMedSPECIALTYAndrology  
23. Shafik A, Shafik A. Al-Sibai, Shafik
Molecular Andrology in Relation to Sperm DND Fractionation and Sperm Chromatin Biotechechnology. Arch Androl 52:299–310.

Published in 2007 in the specialized journal Andrology
24. Shafik A, Shafik I, Al-Sibai, Shafik A
Interstitial cells of Cajal in Tunica Albuginea in the testes. Masculinity Upadte 1:9-15.

Published in 2007 in the specialized journal Andrology
25. Shafik A, Mustafa R, Shafik A. Shafik, Al-Sibai
Study of penile interstitial cells: a human study. J Sex Med 4:66–71.

Published in 2007 in the specialized journal Andrology
26. Shafik A, Shafik A. Al-Sibai, Shafik Al-Awwal
On the pathogenesis of penile venous extravasation: the role of the tunica albuginea. BMC Urology 7:14.

Published in 2007 in the specialized journal Andrology
27. Shafik A, Shafik A, Al-Sibai W, Shafik A
Electrophysiological activity of the tunica albuginea and corpus cavernosum: possible role of the tunica albuginea in the mechanism of erection. J Sex Med 4:675-679.

Published in 2007 in the specialized journal Andrology
28. Shafik A, Shafik A, Al-Sibai W, Shafik A
The effect of contraction of the external sphincter on the cavernous muscles and their role in the sexual act. Int Urol Nephrol 39:541-546.

Published in 2007 in the specialized journal Andrology
29. Shafik A, Shafik A, Shafik I, Al-Sibai
Physiological considerations of morphological changes of the testicles during erection and ejaculation: a study of dogs. Urologia Inter 79: 262-266.

Published in 2007 in the specialized journal Andrology
30. Shafik A, Shafik A, Al-Sibai W, Shafik A
Electromyographic study of the anterolateral abdominal wall muscles during ejaculation. J Sex Med 1022-1027.

Published in 2007 in the specialized journal Andrology
31. Shafik A, Shafik A, Al-Sibai W, Shafik A
Physical anatomical relationship of the external anal sphincter to the bulbocavernosus muscle in the female. Int Urogynecol J 18:851-856.

Published in 2007 in the specialized journal Andrology
32. Shafik A, Shafik A. Al-Sibai, Shafik Al-Awwal
Electromyographic study of the mechanism of ejaculation. Int J Androlloy

Published in 2007 in the specialized journal Andrology
33. Shafik A, Shafik A. Al-Sibai, Shafik
Obesity in men: endocrine diseases, sperm formation, infertility and genetics. Arch Androl Androl Update 1:18-26.

Published in 2007 in the specialized journal Andrology
34. Shafik A, Shafik A. Al-Sibai, Shafik
Response of corpora cavernosum muscle tissue to urethral stimulation: effect of penile enlargement on the vaginal opening. J Androl 28:853–857.

Published in 2008 in the specialized medical journal Andrology
35. Shafik A, Shafik A. Al-Sibai, Shafik
Inguinal canal enlargement: a new technique to repair failed testicular prolapse despite hormonal treatment. Am Surg 74:69–72.

Published in 2008 in the specialized medical journal Andrology
36. Shafik A, Shafik A. Al-Sibai, Shafik
Study of the effect of tension on cavernous muscles: Definition of the “fatigue cavernous reflex” and its clinical significance. Andrologia 40: 23-28

Published in 2008 in the specialized medical journal Andrology
37. Shafik A, Shafik A, Al-Sibai F, Shafik I
Transcutaneous electrical stimulation of the perineum induces erection: clinical significance in patients with spinal cord injury and erectile dysfunction. J Spinal Cord Med 31:40-43.

Published in 2008 in the specialized medical journal Andrology
38. Shafik A, Shafik A. Al-Sibai, Shafik
Study of the response of the physical tissue of the penis and cavernous muscles to urination. BMC Urol 8:4-9.

Gastroenterology publications

Published in 2002 in the Specialized Journal of Gastroenterology
1. Shafik A
Hernia formation after laparoscopic surgery: a report of 4 cases. E Ani J Surg Palace 3:113-116

Published in 2004 in the specialized journal Gastroenterology
2. Shafik A, Shafik Ali A, Al-Sibai W, Mustafa Rum
Effect of stress on the diaphragm with determination of the stress reflex. “Reflex theory” in the specialty of the digestive system: a new concept. BMC Gastroenterology 4:24–28.

Published in 2004 in the specialized journal Gastroenterology
3. Shafik A., Al-Sibai F., Shafik A. Mustafa, Shafik I
The effect of stress on the lower esophageal sphincter: identifying the “esophageal stress reflex” and its role in the mechanism of digestive system efficiency. J Inevt Surg 17:191-196.

Published in 2004 in the specialized journal Gastroenterology
4. Shafik A., Al-Sibai, Shafik I, Shafik A
Electroesophageogram in gastroesophageal reflux disease with a new theory on the pathogenesis of electrical changes. BMC Surgery 4:1-8.

Published in 2005 JOURNALPubMedSPECIALTYGastroentrology
5. Shafik A., Al-Sibai F., Shafik A. Mustafa R
Effect of local esophageal acidification on saliva secretion: determining the mechanism of action. J Gastro Hepato 20:1935-1939.

Published in 2005 JOURNALPubMedSPECIALTYGastroentrology
6. Shafik A., Al-Sibai F., Shafik A. Shafik
Cajal interstitial cells in reflux esophagitis: a role in the pathogenesis of the disease. Med Sci Monit 11: 452-456.

Published in 2005 JOURNALPubMedSPECIALTYGastroentrology
7. Shafik A, Shafik A. Al-Sibai, Shafik Al-Awwal
Anatomical physical study of the diaphragmatic cavity: identification of the independent “gastro-esophageal sphincter”. J Invest Surg 18:135-142.

Published in 2005 JOURNALPubMedSPECIALTYGastroentrology
8. Shafik A, Shafik I, Al-Sibai, Shafik A
About the pathogenesis of gastroesophageal reflux: the concept of “gastroesophageal dysplasia”? J Thorac Cardiovasc Surg 130:401-407.

Published in 2009 JOURNALPubMedSPECIALTYGastroentrology
9. Shafik A, Shafik I, Al-Sibai, Shafik A
Demonstration of the physiological sphincter at the duodenal-jejunal junction. Front Biosci 11:2790-2794.

Published in 2007 in the specialized medical journal Gastroenterology
10. Shafik A., Al-Sibai, Shafik A
Study of duodenal contractile activity during antral contractions. World J Gastro 13:2600-2603.

Published in 2007 in the specialized medical journal Gastroenterology
11. Shafik A, Shafik A, Wahadan M, Al-Sibai W
Duodeno-jejunal junction: an anatomical study with the concept of an “anatomical” sphincter. Surg Radiol Anat 29:661–665.

Published in 2007 in the specialized medical journal Gastroenterology
12. Shafik A, Shafik A. Al-Sibai, Shafik A
Effect of gastric overfilling on the pharyngeal-esophageal and lower sphincters: a possible factor in food intake restriction. Med Sci Mont 13: 220-224.

Published in 2007 in the specialized medical journal Gastroenterology
13. Shafik A., Al-Sibai F., Shafik A. Shafik
Gluteus maximus muscle contraction with increased intra-abdominal pressure: its role in the mechanism of stool control Surg Innov 14:270-274.

Published in 2007 in the specialized medical journal Gastroenterology
13. Shafik A., Al-Sibai F., Shafik A. Shafik
Gluteus maximus muscle contraction with increased intra-abdominal pressure: its role in the mechanism of stool control Surg Innov 14:270-274.

Published in 2007 in the specialized medical journal Gastroenterology
14. Shafik A, Al-Sibai O, Shafik A. Shafik
Mechanism of gastric emptying through the pyloric sphincter: a human study. Med Sci Monitor 32:71–72.

Gynecology publications

Published in 2004 JOURNALPubMedSPECIALTYGynecology
1. Shafik A, Ahmed I, Shafik A, Al-Sibai, A
Study of the effect of cervical contraction on the vaginal muscles, determining the original cervical reflex. Arch Gynecol Obstet 270:165-169

Published in 2004 JOURNALPubMedSPECIALTYGynecology
2. Shafik A, Al-Sibai O, Shafik A. Ahmed
Response of the labia majora and minora to clitoral stimulation: mechanism and role in the sexual act. Int J Gynecol Obstet 86(3):401-402

Published in 2004 JOURNALPubMedSPECIALTYGynecology
3. Shafik A., Al-Sibai F., Shafik A. Ahmed, Mustafa A
Electroencephalogram: Study of the electrical activity of the vagina and its role in sexual activity and disorders. Arch Gynecol Obstet 269(4):282-286

Published in 2005 JOURNALPubMedSPECIALTYGynecology
4. Shafik A., Al-Sibai, Shafik I, Shafik A
Oviductal contractile response to vaginal distension: identification of the salpingo-vaginal reflex. Arch Gynecol Obstet 271(2):148-151

Published in 2005 JOURNALPubMedSPECIALTYGynecology
5. Shafik A, Al-Sibai, Mustafa, Shafik, Ahmed Al-Awal
Response of the internal genital organs to clitoral stimulation. Uterine clitoral reflex. Int J Impot Res 17(2):121-126

Published in 2005 JOURNALPubMedSPECIALTYGynecology
6. Shafik A., Al-Sibai, Shafik I, Shafik A
Uterine influence of the cervix: the role of the cervical reflex in intercourse. J Reprod Med 11:837–847

Published in 2005 JOURNALPubMedSPECIALTYGynecology
7. Shafik A, Shafik A. Al-Sibai, Shafik Al-Awwal
Specialized pacemaker cells in the human fallopian tube. Human Reproduction Mocu 11:503-505

Published in 2005 JOURNALPubMedSPECIALTYGynecology
8. Shafik A, Al-Sibai F, Shafik I, Shafik A
Uterine influence of the cervix: the role of the cervical reflex in intercourse. J Reprod Med 11:837–847

Published in 2005 JOURNALPubMedSPECIALTYGynecology
9. Shafik A, Shafik A. Al-Sibai, Shafik Al-Awwal
Specialized pacemaker cells in the human fallopian tube. Human Reproduction Mocu 11:503-505

Published in 2006 JOURNALPubMedSPECIALTYGynecology
10. Shafik A, Shafik I, Al-Sibai, Shafik A
Oviduct motility response to cervical buffeting. Arch Gynecol Obstet 273:216-220

Published in 2007 JOURNALPubMedSPECIALTYGynecology
11. Shafik A., Shafik A. Al-Otaibi, Al-Sibai and Shafik A
Urinary gas: the passage of flatus during intercourse. Injury and causation. Arch Gynecol Obstet 275:33-37

Published in 2007 JOURNALPubMedSPECIALTYGynecology
12. Shafik A, Al-Sibai, Shafiqa. Shafik A
New concept of surgical anatomy of the perineal body. Rectum Colon Dis 50:2120–2125

Published in 2007 JOURNALPubMedSPECIALTYGynecology
13. Shafik A., Al-Sibai F., Shafik, Shafik A
The effect of vaginal distension on the female urinary bladder and urethral muscle. Obstet Gynecol Scand Act 86:1398-1403

Published in 2007 JOURNALPubMedSPECIALTYGynecology
14. Shafik A, Shafik A. Al-Sibai, Shafik
Identification of the vaginal pacemaker: an immunohistochemical and morphometric study. J Obstet Gynecol 27(5):485-488

Published in 2008 JOURNALPubMedSPECIALTYGynecology  
15. Shafik A., Al-Sibai, Shafik A
Vaginal response to clitoral stimulation: Identifying the clitoral reflex. J Reprod Med 53:111–116

Published in 2008 JOURNALPubMedSPECIALTYGynecology
16. Shafik A, Al-Sibai, Shafiqa. Shafik A
The effect of urination on the clitoral cavernosum muscles: an electromyography study. Int Urogynecol J Pelv 19:531-535

Proctology publications

Published in 2000 in the Specialized Journal of Pop
1. Shafik A., Al-Sibai, Shafik A
Is muscle electrical activity transmitted from one muscle to another? Experimental study. Int J Surg Invest 2:165-170.

Published in 2000 in the Specialized Journal of Pop
2. Shafik A, Shafik A
Electrical activity is widespread in the longitudinal tract of the colon but not in the circular muscles. Role in colon motility. Front Bio Sci 5, b5-8 (PubMed #11056084).

Published in 2000 in the Specialized Journal of Pop
3. Shafik A., Al-Sibai, Shafik A
Rectal pacing in patients with constipation due to rectal inertia: technique and results. Int J Colorectal Dis 15:100-104.

Published in 2001 in the Specialized Journal
4. Shafik A., Al-Sibai, Shafik A
Experimental use of the obturator interna muscle as a working pelvic floor muscle in dogs Eur J Surg 167:782-788.

Published in 2001 in the Specialized Journal
5. Shafik A, Shafik A
Unobstructed rectum: a cause of fecal incontinence. J Spinal Cord Med 24:159-63.

Published in 2001 in the Specialized Journal
6. Shafik A., Al-Sibai, Shafik A
Study of the mechanism behind the difference in motility between the large and small intestine: the “single” and “multiple” pacemaker theory. Front Bio Sci 6:b 1-5 (PubMed #11401784).

Published in 2001 in the Specialized Journal
7. Shafik A, Al-Sibai W, Mustafa Rum, Shafik A
The electrical activity of the rectosigmoid canal and its relationship to the electrical activity of the rectum and sigmoid: evidence of the function of the sphincter muscle of the rectosigmoid canal. Front Biosci 6:b 6-9 (Pub Med #11532613).

Published in 2001 in the Specialized Journal
8. Shafik A, Wahdan MM, Shafik A
The ileal valve in man: anatomical, radiological and endoscopic studies with special references to the mechanism of backflow obstruction. Egyptian Anatomical Society 24(1): 279-304.

Published in 2001 in the Specialized Journal
9. Ali Ya, Shafik A
Posterior rectocele: study and evaluation. Egypt J Surg 20:437-442.

Published in 2002 JOURNALPUBMED SPECIALTY
10. Al-Sibai, Shafik.
Cauterization – plication in the treatment of complete rectal prolapse, Tech Coloproctol 6: 51-54.

Published in 2002 JOURNALPUBMED SPECIALTY
11. Ali Ya, Shafik A
Rectal motility study: the normal pattern of rectal evacuation. E Ani J Surg Palace 3:41-48.

Published in 2002 JOURNALPUBMED SPECIALTY  
12. Shafik A., Al-Sibai, Shafik A
A new method to prevent postoperative adhesions in a rat model. J Gynecology Surg. 18: 65-68.

Published in 2002 JOURNALPUBMED SPECIALTY  
13. Shafik A, Shafik A. Ahmed
The role of the longitudinal smooth muscle layer in ileal locomotor activity: evidence for an ileal inhibitory reflex. J Gastroenterol Hepatol 17:1267–1271.

Published in 2002 JOURNALPUBMED SPECIALTY  
14. Shafik A., Al-Sibai, Shafik A
Physiological assessment of ileocecal junction function with evidence of ileocecal junction reflexes. Med Sci Monit 8:CR629-635 PMID: 12218944.

Published in 2002 JOURNALPUBMED SPECIALTY  
15. Shafik A., Mustafa R.M., Shafik A. Al-Sibai, and
Study of the effect of stress on the bulbocavernosus muscle with evidence of the stress reflex bulbocavernosus and its clinical significance. Int Urogynecol J. 13: 294-298

Published in 2002 JOURNALPUBMED SPECIALTY  
16. Shafik A, Mustafa Rum, Shafik A
Electrophysiological study of the rectus sigmoid canal: evidence for the rectus sigmoid sphincter. J Anat 200:517-521.

Published in 2002 JOURNALPUBMED SPECIALTY
17. Shafik A., Al-Sibai, Shafik A
Electrophysiological determination of the location of pacemakers in the colon. Human study. Front in Boisci 7: b1-5 PubMed #11815299.

Published in 2002 JOURNALPUBMED SPECIALTY  
18. Shafik A., Al-Sibai F., Shafik A. Shafik
Prokinetic efficacy of an artificial pacemaker in patients with insufficiency of the colon. Front Biosci 7: b6-13 PubMed #12045022.

Published in 2003 in the Specialized Journal
19. Shafik A, Shafik A. Shafik
Effect of colonic distension on ileal motor activity with evidence of colonic reflex. J Gastrointest Surg 7(5):701-705.

Published in 2003 in the Specialized Journal
20. Shafik A., Al-Sibai, Shafik A
Study of the effect of distension of the ileojejunum on the motor activity of the stomach with evidence of an “inhibitory gastrointestinal reflex”. Liver and Digestive Diseases 50: 1966-1969.

Published in 2003 in the Specialized Journal
21. Shafik A, Mustafa R. M, Shafik A. Ahmed
Study of the functional activity of the colonic junction with the definition of the “physiological sphincter”? “Colic inhibitory reflex” and “colic excitatory reflex”? Surg Radiol Anat 25:16–20

Published in 2003 in the Specialized Journal
22. Shafik A, Shafik A, Al-Sibai, Ali Ya
Videography: Study of the moving pattern of the rectum Surg Radiol Anat 25: 139-144.

Published in 2003 in the Specialized Journal
23. Shafik A, Shafik A, Al-Sibai W, Mustafa Rum
Colonic electrical activity in subjects with constipation due to total colonic inertia: an electrophysiological study. Arch Surg 138:1007–1011.

Published in 2003 in the Specialized Journal
24. Shafik A, Shafik A. Al-Sibai, Ahmed
Electrophysiological identification of the location of pacemakers in the colon in humans. More study. J Invest Surg 16:289-297

Published in 2003 in the Specialized Journal
25. Shafik A., Al-Sibai F., Shafik A. Shafik
Sigmoid colon junction: study of its functional activity with identification of physiological sphincters and participation in reflex actions. J Invest Surg 16:29-34.

Published in 2003 in the Specialized Journal
26. Shafik A., Al-Sibai F., Shafik A. Shafik
Colonic pacing in patients with constipation due to colonic insufficiency. Med Sci Monit 9(5):191-196.

Published in 2003 in the Specialized Journal
27. Shafik A, Shafik A. Ahmed
The role of positive anal feedback in evacuation of the rectum: the concept of the second defecation reflex: anal. J Spinal Cord Med 26: 380-383.

Published in 2003 in the Specialized Journal
28. Shafik A., Al-Sibai F., Shafik A. Shafik
The role of sympathetic innervation in the mechanism of defecation: a new concept of its function. J Spinal Cord Medic 26(2):150-152.

Published in 2003 in the Specialized Journal
29. Shafik A, Shafik A. Al-Sibai, Ahmed
Study of the role of the second defecation reflex: the anal investment reflex in the pathogenesis of constipation. J Am Coll Surg 196:729-734.

Published in 2003 in the Specialized Journal
30. Shafik A., Al-Sibai F., Shafik A. Ahmed
On the pathogenesis of rectocele: the concept of the rectovaginal pressure gradient. Int Urogyne J 14:310-315.

Published in 2003 in the Specialized Journal
31. Shafik A., Al-Sibai F., Shafik A. Ahmed
Colon system in treating patients with irritable bowel syndrome: causes and results. In front of Boisci 8: b1-5.

Published in 2003 in the Specialized Journal
32. Shafik A., Al-Sibai F., Shafik A. Ahmed
The effect of traction on the perineal muscles and their role in perineal support: determining the perineal traction reflex. J Surg Res 112:162-167.

Published in 2004 in the Specialized Journal
33. Shafik A, Shafik A, Al-Sibai, Ahmed
Colon rejoining: a therapeutic option for treating constipation resulting from colon insufficiency. Arch Surg 139:775–779.

Published in 2004 in the Specialized Journal
34. Shafik A., Al-Sibai F., Shafik A. Ahmed
Colonic electrical activity in irritable bowel syndrome: “arrhythmia”? Electric style. J Gastroent Hepato 19:205-210.

Published in 2004 in the Specialized Journal
35. Shafik A, Shafik A. Al-Sibai, Ahmed
Treatment of irritable bowel syndrome with colon pacing: evaluation of pacing parameters required to correct “arrhythmia” in irritable bowel syndrome. Gastroenterology Hepatology 51:1708-1712.

Published in 2004 in the Specialized Journal
36. Shafik A, Ahmed I, Shafik A, Al-Sibai, A
Bowel electrical activity in ulcerative colitis and Crohn’s disease: electromyography as a tool to differentiate the two conditions in the early phase. Med Sci Monit 10:572-576.

Published in 2004 in the Specialized Journal
37. Shafik A., Al-Sibai F., Shafik A. Ahmed
the goal ? nbsp; Evaluation of rectal sensation: a new approach. Front Biosci 9:159-163.

Published in 2004 in the Specialized Journal
38. Shafik A, Ahmed I, Shafik A, Al-Sibai, A
Diverticular disease: an electrophysiological study and a new concept of pathogenesis. World J Surg 28: 411-415.

Published in 2004 in the Specialized Journal
39. Shafik A., Al-Sibai, Ahmed Al-Awal, Shafik A
Identification of Cajal interstitial cells in the human rectum. Front Biosci 9:2848-2851.

Published in 2004 in the Specialized Journal
40. Shafik A, Mustafa Rum, Al-Sibai, Shafik
Electrical activity of the cecum and ascending colon: the concept of “individual pacemakers.” Eur Surg Res 36: 308-312.

Published in 2005 in the Specialized Journal
41. Shafik A., Al-Sibai, Ahmed Al-Awal, Shafik A
Perineal rectocele: Perineal rectocele is a cause of constipation. Nurses, clinical presentation and treatment. J Belvic Med & Surg 11:199-207.

Published in 2005 in the Specialized Journal
42. Shafik A, Ahmed I, Shafik A. Ghamrawi. El-Sibai O
Surgical anatomy of the perineal muscles and their role in perineal disorders. On Sci Int 80:167-171.

Published in 2005 in the Specialized Journal
43. Shafik A, Ahmed I, Al-Sibai W, Shafik A, Mustafa R
Study of rectal electrical activity of unrestricted anus (hyperactive rectum): a new concept of pathogenesis. J Spinal Cord Med 28:64-68

Published in 2005 in the Specialized Journal
44. Shafik A, Al-Sibai F, Shafik I, Shafik A
Localization of the pacemaker in the colon: a histological study. Frontiers in Biosc 10: 1661-1665.

Published in 2005 in the Specialized Journal
45. Shafik A, Shafik A. Al-Sibai, Shafik Al-Awwal
Effect of warming on rectal motor activity: determination of the rectal warming reflex. J Surg Res 130: 34-37.

Published in 2006 in the specialized magazine
46. Shafik A, Shafik A, Al-Sibai Ya, Ahmed Al-Awwal, Mustafa Rum
The role of the rectosigmoid junction in fecal continence: the concept of a primary continent mechanism. Arch Surg 141:23–26.

Published in 2006 in the specialized magazine
47. Shafik A, Mustafa Rum, Shafik I, Al-Sibai, Shafik A
Functional activity of the rectum: canal organ, storage organ, or both? W J Gastro 12:4549-4552.

Published in 2006 in the specialized magazine
48. Shafik A, Shafik A. Al-Sibai, Shafik
Interstitial cell of Cajal in patients with constipation due to total colonic insufficiency. J Invest Surg 19:147-153.

Published in 2006 in the specialized magazine
49. Shafik A, Shafik A, Ahmed Al-Awal, Al-Sibai, A
Study of the role of the transverse perineal muscle during rectal filling. Int J Colorectal Dis 21:698-704.

Published in 2006 in the specialized magazine
50. Shafik A, Shafik I, Al-Sibai, Shafik A
Detection of rectal X-ray activity causing inflammation to prevent fecal contamination in infants. Front Biosience 11: 3096-3099.

Published in 2006 in the specialized magazine
51. Shafik A, Shafik I, Al-Sibai, Shafik A
The effect of tension on the muscles of the anterior abdominal wall. Defining the “abdominal wall reflex” Front Biosci 11: 2174-2178.

Published in 2006 in the specialized magazine
52. Shafik A, Shafik I, Al-Sibai, Shafik A
“Opening time”? And “pelvic floor electromyography”? Two new tools in assessing anal evacuation time. J Invest Surg. 19: 307-311.

Published in 2007 in the specialized magazine
53. Shafik A, Al-Sibai F, Shafik I, Shafik A
The effect of cooling on rectal color. Eur Surg Res 39:291-295.

Published in 2007 in the specialized magazine
54. Shafik A, Al-Sibai F, Shafik I, Shafik A
Rectal cooling test in differentiating between constipation resulting from rectal and anal insufficiency. Coloproctol Technol 11:39–43.

Published in 2007 in the specialized magazine
55. Shafik A., Al-Sibai, Ahmed, Shafik A
The role of the sacrospinous ligament clamp in pudendal neuropathy (pudendal canal syndrome): consequences of clamp release. Int Surg 92:54-59.

Published in 2007 in the specialized magazine
56. Shafik A, Al-Sibai F, Shafik I, Shafik A
Stress, urge, and mixed types of partial fecal incontinence: pathogenesis, clinical presentation, and treatment. Am Surg 73:6–9.

Published in 2007 in the specialized magazine
57. Shafik A, Al-Sibai F, Shafik I, Shafik A
EMG delay time and open time: two new non-invasive methods for screening patients with anal outlet obstruction and their response to treatment. J Invest Surg 20:307-311.

Published in 2007 in the specialized magazine
58. Shafik A, Shafik I, Al-Sibai, Shafik A
Electrical activity of the anterolateral abdominal wall muscles during rectal filling and evacuation. J Surg Res 143: 364-367.

Published in 2010 JOURNALPUBMED SPECIALTY
59. Shafik A. Shafik A, Suhair A, Muhammad W
Study on the anatomical-physiological colonic sphincter in humans. Clean. Anat. 23: 851-861.

Published in 2010 JOURNALPUBMED SPECIALTY
60. Maolin G., Chunfang G., Dawei L., Weiya G., Shafik AA., Andrew PZ., Mario P.
MRI anatomy of the anal area. Dis. Colo. 53: 1542-1548

Urology publications

Published in 2003 in the Specialized Journal of Urology
1. Shafik A, Al-Sibai O, Shafik A. Ahmed
The role of positive urethral feedback in vesical evacuation. The concept of the second micturition reflex: the urethral reflex. World J Urol 21:167-170.

Published in 2004 in the Specialized Journal of Urology
2. Shafik A, Al-Sibai, Ahmed Al-Awal, Shafik A
The effect of vesicoureteral constriction on the non-sacral portion of the urethra: recognition of the vesicourethral inhibitory reflex. Int J Urol 11:213–217.

Published in 2004 in the Specialized Journal of Urology
3. Shafik A, Al-Sibai O, Shafik A. Ahmed
Do vesicular and voided urine have identical composition? Scand J Urol Nephro 38:243-246.

Published in 2004 in the Specialized Journal of Urology
4. Shafik A, Al-Sibai O, Shafik A. Ahmed
Electromyogram in overactive bladder: role in determining the pathogenesis of the disease and its diagnostic importance. Urology Research 32: 290-293.

Published in 2004 in the Specialized Journal of Urology
5. Shafik A, Al-Sibai F, Shafik A, Ahmed Al-Awwal, Mustafa Rum
Vesicular pacing: pacing parameters required to normalize vesicular electrical activity in patients with overactive bladder. Frontiers in Biological Sciences 9: 995-999.

Published in 2004 in the Specialized Journal of Urology
6. Shafik A, Ahmed Al-Awal, Al-Sibai and Shafik A. a. Mustafa
The vesicular system in patients with overactive bladder: technique and results. Int Urol & Nephrol 36:29-34.

Published in 2004 in the Specialized Journal of Urology
7. Shafik A, Al-Sibai F, Mustafa Mai, Shafik A. Shafiq A
Identification of Cajal interstitial cells in the human urinary bladder: the concept of a vesicular pacemaker. Urology 64:809-813.

Published in 2005 in the Specialized Journal of Urology
8. Shafik A, Shafik Al-Iqqa, Al-Sibai and Shafik A
The effect of urination on the external anal sphincter. Determine the anal urethral reflex. J Spinal Cord Med 28:421-425.

Published in 2005 in the Specialized Journal of Urology
9. Shafik A, Shafik Al-Iqqa, Al-Sibai and Shafik A
Changes in the composition of urine as it passes through the ureter. Concept of urothelial function. Urol Res 33:426-428.

Published in 2006 in the Specialized Medical Journal Urology
10. Shafik A, Shafik Al-Iqqa, Al-Sibai and Shafik A
Does the composition of voided urine reflect the composition of the renal pelvis? Urol Res 34:261-264.

Published in 2006 in the Specialized Medical Journal Urology
11. Shafik A, Shafik A, Al-Sibai F, Shafik A
The role of the perineal muscles in urination. Determine the vesical-perineal reflex. J Belvic Med Surg 12:19–24.

Published in 2007 in the Specialized Journal of Urology
12. Shafik A., Al-Sibai, Shafik A., Shafik A
Electrical activity of anterolateral abdominal wall muscles during vesicular mobilization and evacuation J Reas Med Sci 12:74-79.

Published in 2007 in the Specialized Journal of Urology
13. Shafik A, Shafik A, Al-Sibai W, Shafik A
The effect of urethral stimulation on vesicle contractile activity. Am J Med Sci. 334: 240-243.

Published in 2007 in the Specialized Journal of Urology
14. Shafik A, Shafik A. Shafik, Al-Sibai
The effect of rectal distension on vesical motor activity in humans: identification of the rectal vesical urethral reflex. J Spine Cord Med 30:36–39.

Published in 2008 in the specialized medical journal Urology
15. Shafik A, Shafik Al-Iqqa, Al-Sibai and Shafik A
Anterolateral abdominal wall muscles during vesicular filling and emptying: an electromyography study Urology 71:621-624.

Published in 2008 in the specialized medical journal Urology
16. Shafik A, Shafik A, Al-Sibai F, Shafik A
The electrical activity of the external and internal sphincter muscles and the urinary bladder on vaginal distension and its role in preventing contamination of the vagina with urine during intercourse. Arch Gynecol Obstet 277:213-217.