Ketamine combined with neuroleptanalgesia.
D000773:Anesthesia, Obstetrical; D001794:Blood Pressure / Q000187:drug effects; D002339:Carotid Arteries / Q000000981:diagnostic imaging; D003510:Cyclohexanes / Q000494:pharmacology; D005260:Female; D006801:Humans; D009458:Neuroleptanalgesia; D011247:Pregnancy; D011859:Radiography
D003510:Cyclohexanes