title: [Aggressive factor in the etiology of peptic ulcer--gastric acid secretion].
mesh_terms: D002779:Cholestasis / Q000378:metabolism; D004381:Duodenal Ulcer / Q000209:etiology; D005744:Gastric Acid / Q000378:metabolism*; D005753:Gastric Mucosa / Q000098:blood supply; D006801:Humans; D007511:Ischemia; D008103:Liver Cirrhosis / Q000378:metabolism; D008875:Middle Aged; D010437:Peptic Ulcer / Q000209:etiology* / Q000378:metabolism; D013276:Stomach Ulcer / Q000209:etiology