1. Medicine in quotations. Views of health and disease through the ages,2000
2. Electro-galvanism in a peculiar affliction of the mucous membrane of the bowels;Cumming;London Medical Gazette,1849
3. The irritable colon syndrome;Chaudhary;Q J Med,1962
4. Bowel pattern and anxiety: demographic factors;Longstreth;J Clin Gastroenterol,1993
5. The functional gastrointestinal disorders;Drossman,2000