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Contraception|May 1, 1992
Contraceptive efficacy of polyester-induced azoospermia in normal menA ShafikJournal of Clinical Gastroenterology|April 1, 1988
A new concept of the anatomy of the anal sphincter mechanism and the physiology of defecation. XXXI. "Strainodynia": an etiopathologic studyA ShafikDiseases of the Colon and Rectum|December 1, 1987
A concept of the anatomy of the anal sphincter mechanism and the physiology of defecationA ShafikEuropean Surgical Research. Europaische Chirurgische Forschung. Recherches Chirurgicales Europeennes|August 15, 1998
Effect of magnetic stimulation on the contractile activity of the rectum in the dogA ShafikJournal of Investigative Surgery : the Official Journal of the Academy of Surgical Research|September 22, 1998
Cholecysto-sphincter inhibitory reflex: identification of a reflex and its role in bile flow in a canine modelA ShafikDiseases of the Colon and Rectum|September 1, 1979
A new concept of the anatomy of the anal sphincter mechanism and the physiology of defecation. VII. Anal fistula: a simplified classificationA ShafikDiseases of the Colon and Rectum|July 1, 1979
A new concept of the anatomy of the anal sphincter mechanism and the physiology of defecation. VI. The central abscess: a new clinicopathologic entity in the genesis of anorectal suppurationA ShafikInternational Journal of Surgical Investigation|April 8, 2003
Is myoelectric activity transmittable from one muscle to another: an experimental studyA Shafik, O El-Sibal, A A ShafikActa Chirurgica Iugoslavica|February 18, 2003
Sacral magnetic stimulation in puborectalis paradoxical syndromeA ShafikPageof 43