title: Gastric mucosal competence and its role in the etiology of peptic ulcers.
mesh_terms: D000818:Animals; D004381:Duodenal Ulcer / Q000503:physiopathology*; D005744:Gastric Acid / Q000378:metabolism; D005753:Gastric Mucosa / Q000503:physiopathology*; D006801:Humans; D013276:Stomach Ulcer / Q000503:physiopathology*