Ulceration associated with an islet of columnar epithelium in the mid-esophagus: new evidence for an acquired etiology of Barrett's syndrome.
D002648:Child; D002675:Child, Preschool; D004935:Esophageal Diseases / Q000209:etiology*; D004940:Esophageal Stenosis / Q000209:etiology*; D004947:Esophagus / Q000002:abnormalities / Q000254:growth & development; D005753:Gastric Mucosa / Q000254:growth & development*; D005764:Gastroesophageal Reflux / Q000150:complications*; D006801:Humans; D008297:Male; D014456:Ulcer