Affiliation: | U.M. Hodges, BSc, MB, BS, FRCA, Lecturer in Anaesthetics, Department of Anaesthetics, United Medical and Dental School, Guy's Hospital, St Thomas Street, London SE1 9RT;A. Lloyd-Thomas, MB, BS, FRCA, Consultant Anaesthetist, Department of Anaesthetics, The Hospitals for Sick Children, Great Ormond Street, London WC1N 3JH. |