title: Images in cardiovascular medicine. Aortic valves. Shamrock, bileaflet, and lucky?
authors.affiliation: Cardiovascular Division, Beth Israel Hospital, Boston, Mass 02215, USA.
authors.forename: W J
authors.initials: WJ
authors.lastname: Manning
authors.forename: C S
authors.initials: CS
authors.lastname: Keighley
mesh_terms: D001021:Aortic Valve / Q000002:abnormalities* / Q000000981:diagnostic imaging*; D017548:Echocardiography, Transesophageal; D006801:Humans