title: The aortic valve: an everlasting mystery to surgeons.
authors.forename: Manuel J
authors.initials: MJ
authors.lastname: Antunes
mesh_terms: D001014:Aortic Aneurysm / Q000601:surgery*; D001021:Aortic Valve / Q000000981:diagnostic imaging / Q000473:pathology*; D001022:Aortic Valve Insufficiency / Q000601:surgery*; D004108:Dilatation, Pathologic / Q000473:pathology; D017548:Echocardiography, Transesophageal; D006801:Humans