title: Heterotopic gastric epithelium in the duodenum and its correlation to gastric disease and acid level.
mesh_terms: D002828:Choristoma; D004379:Duodenal Neoplasms / Q000473:pathology*; D004847:Epithelial Cells; D005260:Female; D005745:Gastric Acidity Determination; D005750:Gastric Juice / Q000378:metabolism*; D005753:Gastric Mucosa / Q000002:abnormalities*; D006801:Humans; D008297:Male; D013274:Stomach Neoplasms / Q000473:pathology; D013276:Stomach Ulcer / Q000473:pathology