title: Gastric acid secretion in the process of gastric ulcer.
mesh_terms: D000208:Acute Disease; D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002908:Chronic Disease; D005260:Female; D005750:Gastric Juice / Q000378:metabolism*; D005773:Gastroscopy; D006801:Humans; D008297:Male; D008875:Middle Aged; D012636:Secretory Rate; D013276:Stomach Ulcer / Q000145:classification / Q000175:diagnosis / Q000503:physiopathology*