Indications for sphincterotomy in the anal canal.
D000328:Adult; D001003:Anal Canal / Q000601:surgery*; D001004:Anus Diseases / Q000503:physiopathology / Q000601:surgery*; D002648:Child; D006801:Humans; D009130:Muscle, Smooth / Q000502:physiology / Q000503:physiopathology / Q000601:surgery*; D012002:Rectal Diseases / Q000503:physiopathology / Q000601:surgery*