[Endoscopical and histological studies on gastric metaplasia of the surface epithelium of the duodenal mucosa].
D004386:Duodenum / Q000473:pathology*; D004724:Endoscopy; D004848:Epithelium; D005753:Gastric Mucosa / Q000473:pathology*; D006801:Humans; D007413:Intestinal Mucosa / Q000473:pathology*; D008679:Metaplasia / Q000473:pathology; D008855:Microscopy, Electron, Scanning