David, Tirone E Functional tricuspid regurgitation: a perplexing problem. [electronic resource] - Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography Aug 2009 - 904-6 p. digital Publication Type: Editorial; Comment ISSN: 1097-6795 Standard No.: 10.1016/j.echo.2009.06.001 doi Subjects--Topical Terms: FemaleHeart Septal Defects, Atrial--complicationsHumansMaleMiddle AgedMitral Valve Prolapse--complicationsSecondary PreventionTreatment OutcomeTricuspid Valve--surgeryTricuspid Valve Insufficiency--complicationsUltrasonography