Maternal mortality associated with anesthesia; a follow-up study (1952-1957) in the Bronx County, N. Y.
D000698:Analgesia; D000758:Anesthesia; D000760:Anesthesia and Analgesia; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007743:Labor, Obstetric; D008428:Maternal Mortality; D059408:Pain Management; D011247:Pregnancy
LABOR/anesthesia and analgesia; MATERNAL MORTALITY