[Obstetrical anesthesia in the USA. Experiences from Boston Lying-in Hospital].
D000758:Anesthesia; D000773:Anesthesia, Obstetrical; D000776:Anesthesiology; D001900:Boston; D008192:Deception; D006761:Hospitals; D006801:Humans; D009774:Obstetrics
ANESTHESIA, OBSTETRICAL