title: Histological and functional studies of gastric mucosa in duodenal ulcer.
mesh_terms: D000293:Adolescent; D000328:Adult; D004381:Duodenal Ulcer / Q000473:pathology* / Q000503:physiopathology; D005750:Gastric Juice / Q000378:metabolism*; D005753:Gastric Mucosa / Q000473:pathology*; D005756:Gastritis / Q000473:pathology / Q000503:physiopathology; D006801:Humans; D008297:Male; D008875:Middle Aged