Accuracy of real-time, three-dimensional Doppler echocardiography for stroke volume estimation compared with phase-encoded MRI: an in vivo study. Issue 9 (14th August 2008) - Pemberton, J; Jerosch-Herold, M; Li, X; Hui, L; Silberbach, M; Woodward, W; Thiele, K; Kenny, A; Sahn, D J