title: Duodenal telangiectasis in an occult gastrointestinal bleeder.
mesh_terms: D000368:Aged; D004378:Duodenal Diseases / Q000175:diagnosis*; D004724:Endoscopy; D006801:Humans; D008297:Male; D013683:Telangiectasia, Hereditary Hemorrhagic / Q000175:diagnosis*