title: Incidence, description and functional assessment of isolated quadricuspid aortic valves.
authors.affiliation: Division of Cardiovascular Diseases and Internal Medicine, Mayo Clinic, Rochester, Minnesota 55905.
authors.forename: B J
authors.initials: BJ
authors.lastname: Feldman
authors.forename: B K
authors.initials: BK
authors.lastname: Khandheria
authors.forename: C A
authors.initials: CA
authors.lastname: Warnes
authors.forename: J B
authors.initials: JB
authors.lastname: Seward
authors.forename: C L
authors.initials: CL
authors.lastname: Taylor
authors.forename: A J
authors.initials: AJ
authors.lastname: Tajik
mesh_terms: D000328:Adult; D000368:Aged; D001021:Aortic Valve / Q000002:abnormalities* / Q000473:pathology / Q000503:physiopathology; D004452:Echocardiography; D005260:Female; D006801:Humans; D015994:Incidence; D008297:Male; D008875:Middle Aged; D014463:Ultrasonography