title: Analgesia after haemorrhoidectomy.
authors.forename: A M
authors.initials: AM
authors.lastname: Severn
authors.forename: H T
authors.initials: HT
authors.lastname: Khwaja
mesh_terms: D015360:Analgesia, Epidural; D000763:Anesthesia, Caudal; D006484:Hemorrhoids / Q000601:surgery*; D006801:Humans; D009020:Morphine / Q000008:administration & dosage*; D010149:Postoperative Pain / Q000517:prevention & control*
chemical_list: D009020:Morphine