1. Roberts RB, Shirley MA: Reducing the risk of acid aspiration during cesarean section. Anesth Analg 1974; 53:859.
2. Blouw R, Scatliff J, Craig DB: Gastric volume and pH in postpartum patients. Anesthesiology 1976; 45:456.
3. Uram M, Abouleish E, McKenzie R, et al: The risk of aspiration pneumonitis with postpartum tubal ligation (abstract). Presented at the Society for Obstetric Anesthesia and Perinatology, Jackson Hole, WY, 1982. p 2.
4. James CF, Gibbs CP, Banner T: Postpartum perioperative risk of aspiration pneumonia. Anesthesiology 1984; 61:756.
5. Datta S, Lambert DH, Gregus J, et al: Differential sensitivities of mammalian nerve fibers during pregnancy. Anesth Analg 1983; 61:1070.