1. Factors related to gastrointestinal coffee tolerance: Results of an international epidemiological study;Abelin,1987
2. A clinical test for esophagitis;Bernstein;Gastroenterology,1958
3. Imipramine in patients with chest pain despite normal coronary angiograms;Cannon;N. Engl. J. Med.,1994
4. Pathogenesis of coffee-induced gastrointestinal symptoms;Cohen;N. Engl. J. Med.,1980
5. Comparison of coffee intake and coffee-induced symptoms in patients with duodenal ulcer, non-ulcer dyspepsia, and normal controls;Elta;Am. J. Gastroenterol.,1990