Morphine and nalline in obstetric analgesia; observations in 150 patients.
D000698:Analgesia; D016362:Analgesia, Obstetrical; D000758:Anesthesia; D000760:Anesthesia and Analgesia; D005260:Female; D006801:Humans; D007743:Labor, Obstetric; D009020:Morphine; D009269:Nalorphine; D059408:Pain Management; D011247:Pregnancy
D009020:Morphine; D009269:Nalorphine
LABOR/anesthesia and analgesia; MORPHINE/anesthesia and analgesia; NALORPHINE/anesthesia and analgesia