Gastrin, age and the gastric mucosa.
D000126:Achlorhydria / Q000150:complications; D000328:Adult; D000367:Age Factors; D000368:Aged; D000752:Anemia, Pernicious / Q000097:blood* / Q000276:immunology / Q000473:pathology; D001323:Autoantibodies; D001706:Biopsy; D005260:Female; D005753:Gastric Mucosa / Q000473:pathology; D005755:Gastrins / Q000097:blood*; D005756:Gastritis / Q000097:blood* / Q000150:complications / Q000276:immunology / Q000473:pathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D011863:Radioimmunoassay; D013270:Stomach / Q000276:immunology
D001323:Autoantibodies; D005755:Gastrins