1. Pain as a major cause of postoperative nausea;Andersen;Canadian Anaesthetists Society Journal,1976
2. Physiology of nausea and vomiting;Andrews;British Journal of Anaesthesia,1992
3. Postoperative nausea and vomiting iv: factors related to postoperative nausea and vomiting;Bellville;Anesthesiology,1960
4. Postoperative vomiting: causes and treatment;Berry;Current Reviews in Clinical Anesthesia,1991
5. Anatomy and physiology of the chemoreceptor trigger zone and area postrema;Borison,1986