title: Determination of stenotic mitral valve area: new, old, and gold standards.
authors.forename: Frank A
authors.initials: FA
authors.lastname: Flachskampf
authors.forename: Lutz
authors.initials: L
authors.lastname: Klinghammer
mesh_terms: D004452:Echocardiography; D006801:Humans; D008946:Mitral Valve Stenosis / Q000000981:diagnostic imaging*