1Do RK,Chandarana H,Felker E,et al.Diagnosis of liver fibrosis and cirrhosis with diffusion-weighted imaging:value of normalized apparent diffusion coefficient using the spleen as reference organ[J].Am J Roentgenol,2010,195(3):671-676.
2Wang QB,Han Y,Jiang TT,et al.MR Imaging of activated hepat-ic stellate cells in liver injured by CCl4of rats with integrin-targe-ted ultrasmall superparamagnetic iron oxide[J].Eur Radiol,2011,21(5):1016-1025.
4Noren B,Dahlqvist O,Lundberg P,et al.Separation of advanced from mild fibrosis in diffuse liver disease using 31 P magnetic reso-nance spectroscopy[J].Eur J Radiol,2008,66(2):313-320.
