5Guido M,Rugge M,Chemello L,et al.Liver stellate cells in chronic viral hepatitis:the effect of interferon therapy[J].J Hepatol,1996,24:301-307.
6Suzuki Y,Kumad H,Ikeda K.Histological changes in liver biopsies after one year of lamivudine treatment in patients with chronic hepatitis B infection[J].J Hepatol,1999,30:743 -48.
7Chien R N,Liaw Y F,Chen T C,et al.Efficacy of thymosin alphal in patients with chronic hepatitis B:a randomized,controlled trial[J].Hepatology,1998,27:1383-87.
