title: Epidural and spinal narcotic analgesia.
mesh_terms: D000701:Analgesics, Opioid / Q000008:administration & dosage* / Q000493:pharmacokinetics / Q000494:pharmacology; D000767:Anesthesia, Epidural; D000773:Anesthesia, Obstetrical; D000775:Anesthesia, Spinal; D004347:Drug Interactions; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007743:Labor, Obstetric / Q000187:drug effects; D010149:Postoperative Pain / Q000188:drug therapy; D011247:Pregnancy
chemical_list: D000701:Analgesics, Opioid