title: A sequential trial of analgesics in labour.
mesh_terms: D000700:Analgesics; D018712:Analgesics, Non-Narcotic / Q000628:therapy*; D000758:Anesthesia; D000773:Anesthesia, Obstetrical; D058633:Antipyretics; D005260:Female; D006801:Humans; D007743:Labor, Obstetric; D011247:Pregnancy
chemical_list: D000700:Analgesics; D018712:Analgesics, Non-Narcotic; D058633:Antipyretics
keywords: ANALGESICS AND ANTIPYRETICS/therapy; ANESTHESIA, OBSTETRICAL