title: Frequence and significance of aortic valve thickening in older asymptomatic patients and its relation to aortic regurgitation.
authors.affiliation: Cardiovascular Unit, H. S. Raffaele, Milan, Italy.
authors.forename: A
authors.initials: A
authors.lastname: Margonato
authors.forename: D
authors.initials: D
authors.lastname: Cianflone
authors.forename: M
authors.initials: M
authors.lastname: Carlino
authors.forename: A
authors.initials: A
authors.lastname: Conversano
authors.forename: C
authors.initials: C
authors.lastname: Nitti
authors.forename: S
authors.initials: S
authors.lastname: Chierchia
mesh_terms: D001021:Aortic Valve / Q000473:pathology*; D001022:Aortic Valve Insufficiency / Q000209:etiology* / Q000473:pathology; D015150:Echocardiography, Doppler; D006801:Humans; D008875:Middle Aged; D012016:Reference Values