1. Vomiting in Gastrointestinal Disease”;Fordtran,1973
2. Principles of Internal Medicine;Resnik,1966
3. Drugs of Choice 1972-1973”;Bellville,1972
4. Bismuth—A Survey of the Pharmacology and Medicinal Uses;Jaenicke,1950
5. Clinical Gastroenterology;Jones,1968