Affiliation: | P. Semple, FFARCS, Registrar, York District Hospital, Wigginton Road, York YO3 7HE.;T.H. Madej, FFARCS, Consultant, York District Hospital, Wigginton Road, York YO3 7HE.;R.G. Wheatley, FFARCS, Consultant, York District Hospital, Wigginton Road, York YO3 7HE.;I.J.B. Jackson, FFARCS, Consultant, York District Hospital, Wigginton Road, York YO3 7HE.;J. Stevens, FFARCS, Registrar, Department of Anaesthesia, York District Hospital, Wigginton Road, York YO3 7HE. |