Affiliation: | J. RICHARDSON, MD, MRCP, FRCA, Consultant Anaesthetist, Department of Anaesthetics and Thoracic Surgery, Bradford Royal Infirmary, Bradford BD9 6RJ.;S. P. S. CHEEMA, FRCA, Senior Registrar in Anaesthetics, Department of Anaesthetics and Thoracic Surgery, Bradford Royal Infirmary, Bradford BD9 6RJ.;J. HAWKINS FRCA, Senior Registrar in Anaesthetics, Department of Anaesthetics and Thoracic Surgery, Bradford Royal Infirmary, Bradford BD9 6RJ.;S. SABANATHAN MD, FRCS, Cardiothoracic Surgeon, Department of Anaesthetics and Thoracic Surgery, Bradford Royal Infirmary, Bradford BD9 6RJ. |