Study of incidence of maternal mortality from aspiration of vomitus during anesthesia occurring in major obstetric hospitals in United States.
D000758:Anesthesia; D000776:Anesthesiology; D005260:Female; D006801:Humans; D015994:Incidence; D007743:Labor, Obstetric; D008428:Maternal Mortality; D011247:Pregnancy; D014481:United States; D014839:Vomiting
ANESTHESIA; LABOR; VOMITING