title: Images in cardiovascular medicine: quadricuspid aortic valve.
authors.affiliation: Department of Medicine, Manhattan Veterans Affairs Medical Center, New York, NY, USA.
authors.forename: E
authors.initials: E
authors.lastname: Feliciano
authors.forename: E
authors.initials: E
authors.lastname: Steinberg
authors.forename: I
authors.initials: I
authors.lastname: Kronzon
mesh_terms: D000368:Aged; D001021:Aortic Valve / Q000002:abnormalities*; D017548:Echocardiography, Transesophageal; D006330:Heart Defects, Congenital / Q000000981:diagnostic imaging; D006801:Humans