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2. The evaluation of internal anal sphincterotomy-operation with special reference to anal fissure;Eisenhammer;Surg Gynecol Obstet,1959
3. Rectal myectomy for aganglionic megacolon;Lynn,1966
4. Posterior excisional ano-rectal myotomy in management of chronic faecal accumulation;Bentley;Arch Dis Child,1966
5. Anal myomectomyfor constipation;Shandling;J Pediatr Surg,1969