Affiliation: | T. H. S. Burns, MA, BM, BCh, FFARCS, St Thomas' Hospital and the Royal Northern Hospital, J. M. Hall, MB, BS, FFARCS, Guy's Hospital and the Thoracic Units, S. E. Region, A. Bracken, PhD, FRIC, and G. Gouldstone, The British Oxygen Company Limited. The animal work was carried out in the Inter-departmental Laboratory at Guy's Hospital on behalf of the Medical Research Council's Committee on Non-explosive Anaesthetics. The tests for stability to soda-lime, purity and flammability were undertaken by British Oxygen Co. Ltd. |