EVALUATION OF PHENAZOCINE WITH MEPERIDINE AS AN ANALGESIC AGENT DURING LABOR, BY THE DOUBLE BLIND METHOD.
D000700:Analgesics; D000758:Anesthesia; D000773:Anesthesia, Obstetrical; D004311:Double-Blind Method; D005260:Female; D006801:Humans; D007743:Labor, Obstetric; D008614:Meperidine; D010620:Phenazocine; D011247:Pregnancy
D000700:Analgesics; D008614:Meperidine; D010620:Phenazocine
ANESTHESIA, OBSTETRICAL; MEPERIDINE; PHENAZOCINE; PREGNANCY