| helicobacter pylori infection among patients visiting a clinic in kasama city, ibaraki prefecture. | we examined helicobacter pylori infection in patients who visited the iso clinic (kasama city, ibaraki prefecture) with abdominal complaints, and determined the prevalence of h. pylori infection by age, sex, endoscopic diagnosis, abdominal complaint, gastric mucosa, and living environment. peptic ulcer disease was observed in 23.2% of the patients examined with endoscopy, but there was no association between abdominal complaints and the prevalence of h. pylori infection. the prevalence of h. pyl ... | 2005 | 16415514 |