A Doppler waveform index to characterize hepatic vein velocity pattern and evaluate hepatic fibrosis

J.F. Pedersen, L.G. Madsen, V.A. Larsen, O. Hamberg, T. Horn, B. Federspiel, P. Bytzer, Jan Fog Pedersen, Lone Galmstrup Madsen, Vibeke Andrée Larsen, Ole Hamberg, Thomas Horn, Birgitte Federspiel, Peter Bytzer