Affiliation: | M. Kawamata, MD, K. Omote, MD, Staff Anaesthesiologists, A. Namiki, MD, Professor and Chairman, Department of Anaesthesiology, Sapporo Medical College and Hospital, South-1, West-16, Chuoku, Sapporo 060, Japan, M. Miyabe, MD, Assistant Professor, Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University, Baltimore, Maryland, USA. |