1.   Patients with certain histological abnormalities may be seropositive for H pylori despite the failure to identify the organisms in their gastric biopsy specimens.

2.   Light microscopical studies of smooth muscle of the fallopian tubes showed no histological abnormalities.

3.   The aim of this study was to identify the duodenal histological abnormalities in the presence or absence of HSAID, H pylori, and duodenal ulceration.