Tissue Doppler assessment of longitudinal right and left ventricular strain and strain rate in pulmonary artery hypertension. - Rajdev S; Nanda NC; Patel V; Singh A; Mehmood F; Vengala S; Fang L; Dasan V; Benza RL; Bourge RC (Echocardiography (Mount Kisco, N.Y.), 2006)