Affiliation: | (1) Departments of Anesthesia and,;(2) Third Division of Surgery, Kanagawa Cancer Center Hospital, 1-1-2 Nakao, Asahi-ku, Yokohama 241, Japan, JP;(3) Department of Anesthesiology, Yokohama City University School of Medicine, 3-9 Fukuura, Kanazawa-ku, Yokohama 236, Japan, JP |