Affiliation: | Ian A. Thomson, BSc, Research Assistant, Roger L. Hughes, MD, MRCP, FFARCS, Lecturer, William Fitch. MB, ChB, PhD, FFARCS, Senior Lecturer, Donald Campbell, MB, ChB, MRCP (Glas), FFARCS, Professor, University Department of Anaesthesia. Glasgow Royal Infirmary, G4 0SF and Wellcome Surgical Institute, University of Glasgow. |