The natural history of aspiration pneumonitis.
D000328:Adult; D000773:Anesthesia, Obstetrical / Q000009:adverse effects*; D002585:Cesarean Section / Q000009:adverse effects*; D005260:Female; D006801:Humans; D011015:Pneumonia, Aspiration / Q000000981:diagnostic imaging / Q000209:etiology* / Q000628:therapy; D011247:Pregnancy; D013902:Radiography, Thoracic; D014839:Vomiting