1. The British Society of Gastroenterology. Report 1983. Design of Gastrointestinal Endoscopy Units, 1984, pp 1–28
2. The structure and function of the outpatient endoscopy unit;Larson;Gastrointest Endosc,1986
3. The endoscopy unit;Sivak,1987
4. Planning an Endoscopy Suite for Office and Hospital;Waye,1990