| comparison of helicobacter pylori infection between fukuoka, japan and chinju, korea. | helicobacter pylori is the causative agent of type b chronic gastritis, and plays a major role in the pathogenesis of gastroduodenal ulcer and gastric cancer. because gastric cancer has been the leading cause of cancer mortality in japan and korea, we conducted a seroepidemiological study to estimate the prevalence of h. pylori infection in japan and korea in order to explain the current change in the gastric cancer incidences between two countries. | 1998 | 9546112 |