1. Report of a Working Party on the Staffing of Endoscopy Units, London;British Society of Gastroenterology,1987
2. Gastrointestinal endoscopy services—a review of the 70's with predictions for the 80's;Cockel;Health Trends,1982
3. Practical Gastrointestinal Endoscopy;Cotton,1982
4. Hospital Medical Staffing: Achieving a Balance;DHSS,1986
5. Recent changes in gastrointestinal investigation in a university hospital;Faithfull;The Medical Journal of Australia,1985