title: Obscure gastrointestinal bleeding: idiopathic aortoduodenal fistula.
authors.affiliation: Department of Surgery, Otago Medical School, Dunedin, New Zealand.
authors.forename: F A
authors.initials: FA
authors.lastname: Frizelle
authors.forename: N A
authors.initials: NA
authors.lastname: Hung
authors.forename: J H
authors.initials: JH
authors.lastname: Heslop
authors.forename: B R
authors.initials: BR
authors.lastname: Parry
mesh_terms: D001018:Aortic Diseases / Q000150:complications* / Q000175:diagnosis / Q000601:surgery; D004378:Duodenal Diseases / Q000150:complications* / Q000175:diagnosis / Q000601:surgery; D005402:Fistula / Q000150:complications* / Q000175:diagnosis / Q000601:surgery; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006801:Humans; D008297:Male; D008875:Middle Aged