1. Gastroenterology scrvices: a regional survey;CD, I.Holdsworth; M, Atkinson;Br Med J,1984
2. Results of a questionnaire concerning the staffing and administration of endoscopy in England and Wales;Axon, A.T.R.; Bottrill, P.M.; Campbell, D.;Gut,1987
3. The need for an increased number of consultant physicians with specialist training in gastroenterology;of Physicians of London, Royal College;Gut,1984