| Affiliation: | P. E. Mann, MB, ChB, FFARCS, Senior Registrar in Anaesthetics, United Sheffield Hospitals;S. D. Hatt, MDS, FDSRCS, Consultant Dental Surgeon, United Sheffield Hospitals;R. A. Dixon, BSc, Lecturer in Preventive Medicine and Public Health, University of Sheffield;K. D. Griffin, MB, ChB, FFARCS, Consultant Anaesthetist, County Hospital, York;E. R. Perks, MB, ChB, FFARCS, Consultant Anaesthetist and Lecturer in Dental Anaesthesia, United Sheffield Hospitals and University of Sheffield;J. A. Thornton, MD, FFARCS, Professor and Head of the Department of Anaesthetics of the University of Sheffield, the Royal Infirmary, Sheffield (Correspondence to Professor Thornton please). |
