Incidence of metaplasia around and at varying distance from chronic duodenal and gastric ulcers, with special reference to differences between young and old persons.
D004386:Duodenum; D006801:Humans; D015994:Incidence; D008679:Metaplasia; D010437:Peptic Ulcer / Q000473:pathology*; D013276:Stomach Ulcer
METAPLASIA; PEPTIC ULCER/pathology