title: Gastric secretion, gastritis and ulcer.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D000704:Analysis of Variance; D001706:Biopsy; D004381:Duodenal Ulcer / Q000175:diagnosis*; D005260:Female; D005750:Gastric Juice / Q000378:metabolism*; D005753:Gastric Mucosa / Q000378:metabolism / Q000473:pathology; D005756:Gastritis / Q000175:diagnosis*; D006632:Histamine; D006801:Humans; D006863:Hydrogen-Ion Concentration; D008297:Male; D008875:Middle Aged; D008995:Monoamine Oxidase / Q000378:metabolism
chemical_list: D006632:Histamine; D008995:Monoamine Oxidase