An evaluation of the surgical treatment of anal fissures.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D005260:Female; D005401:Fissure in Ano / Q000601:surgery*; D006484:Hemorrhoids / Q000601:surgery; D006801:Humans; D008297:Male; D008614:Meperidine / Q000627:therapeutic use; D008722:Methods; D008875:Middle Aged; D010146:Pain / Q000188:drug therapy; D011182:Postoperative Care; D011183:Postoperative Complications; D012008:Recurrence
D008614:Meperidine