Affiliation: | J.F. Murphy, MRCP, DCH, Senior Registrar, O.P. Gray, FRCP, DCH, Professor, Department of Child Health, M. Dauncey, BA, Department of Medical Statistics, G.A.D. Rees, FFARCS, Consultant Anasthetist, M. Rosen, FFARCS, Consultant Anasthetist, Department of Anasthetics, University Hospital of Wales, Heath Park, Cardiff CF4 4YN. |