title: Aortic stenosis and unexplained gastrointestinal bleeding.
authors.forename: Ralph C
authors.initials: RC
authors.lastname: Williams
mesh_terms: D001024:Aortic Valve Stenosis / Q000453:epidemiology*; D001165:Arteriovenous Malformations / Q000453:epidemiology*; D006471:Gastrointestinal Hemorrhage / Q000453:epidemiology / Q000209:etiology; D006801:Humans; D013577:Syndrome