Analgesic efficacy of meperidine hydrochloride used alone and in combination with promethazine hydrochloride: a double-blind, crossover study.
D000700:Analgesics; D018592:Cross-Over Studies; D013505:Digestive System Surgical Procedures; D004311:Double-Blind Method; D006484:Hemorrhoids / Q000601:surgery*; D006801:Humans; D008614:Meperidine / Q000628:therapy*; D011182:Postoperative Care; D011398:Promethazine / Q000628:therapy*; D014656:Vascular Surgical Procedures
D000700:Analgesics; D008614:Meperidine; D011398:Promethazine
HEMORRHOIDS/surgery; MEPERIDINE/therapy; POSTOPERATIVE CARE; PROMETHAZINE/therapy