title: Neuroleptanalgesia and anesthesia in obstetrics.
mesh_terms: D000769:Anesthesia, Inhalation / Q000009:adverse effects; D000773:Anesthesia, Obstetrical; D004329:Droperidol / Q000008:administration & dosage / Q000032:analysis / Q000494:pharmacology; D004338:Drug Combinations; D004357:Drug Synergism; D005069:Evaluation Studies as Topic; D005260:Female; D005283:Fentanyl / Q000008:administration & dosage / Q000494:pharmacology; D006801:Humans; D007022:Hypotension / Q000139:chemically induced; D007273:Injections, Intramuscular; D008614:Meperidine / Q000008:administration & dosage; D009458:Neuroleptanalgesia / Q000009:adverse effects; D009609:Nitrous Oxide / Q000008:administration & dosage; D011229:Preanesthetic Medication; D011247:Pregnancy
chemical_list: D004338:Drug Combinations; D008614:Meperidine; D009609:Nitrous Oxide; D004329:Droperidol; D005283:Fentanyl