Anaesthesia and maternal mortality.
D000768:Anesthesia, General; D000772:Anesthesia, Local; D000773:Anesthesia, Obstetrical / Q000401:mortality*; D002585:Cesarean Section / Q000401:mortality; D005260:Female; D005764:Gastroesophageal Reflux / Q000150:complications; D006801:Humans; D007442:Intubation, Intratracheal / Q000401:mortality; D007746:Labor Presentation; D008428:Maternal Mortality; D011247:Pregnancy