title: Droperidol in obstetrics: a double-blind study.
mesh_terms: D000773:Anesthesia, Obstetrical; D002986:Clinical Trials as Topic; D004329:Droperidol / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D011247:Pregnancy; D011398:Promethazine / Q000627:therapeutic use; D011446:Prospective Studies
chemical_list: D011398:Promethazine; D004329:Droperidol