title: Supravalvar aortic stenosis--a constant feature of Williams-Beuren syndrome.
authors.forename: V
authors.initials: V
authors.lastname: Bzdúch
authors.forename: J
authors.initials: J
authors.lastname: Masura
mesh_terms: D000015:Abnormalities, Multiple; D001024:Aortic Valve Stenosis; D004452:Echocardiography; D006801:Humans; D013577:Syndrome