Systolic and early diastolic left ventricular velocities assessed by tissue Doppler imaging in 100 top-level handball players - Butz, T; van Buuren, F; Mellwig, K P; Langer, C; Oldenburg, O; Treusch, K A; Meissner, A; Plehn, G; Trappe, H J; Horstkotte, D; Faber, L (Eur J Cardiovasc Prev Rehabil, 2010)