1. Barasg PB, Cullen BF, Stoelting RK: Clinical anesthesia. In Anesthesia for Thoracic Surgery, p 944
2. Barash PG, Cullen BF, Stoelting RK: Clinical anesthesia. In Outpatient Anesthesia, pp 1389–1399
3. Does anesthesia contribute to operative mortality?;Cohen;JAMA,1988
4. FASA Special Study I;Federated Ambulatory Surgery Association,1986
5. Conscious sedation;Kaller;Probl Anesth,1988