title: Echocardiography in mitral valve disease. Preface.
authors.affiliation: Echocardiography, Massachusetts General Hospital, Harvard Medical School, Cardiac Ultrasound Laboratory, YAW 5E, 55 Fruit Street, Boston, MA 02114-2696, USA. jhung@partners.org
authors.forename: Judy W
authors.initials: JW
authors.lastname: Hung
authors.forename: Timothy C
authors.initials: TC
authors.lastname: Tan
mesh_terms: D004452:Echocardiography; D006349:Heart Valve Diseases / Q000000981:diagnostic imaging*; D006801:Humans; D008943:Mitral Valve / Q000000981:diagnostic imaging*