2Lok AS,McMahon BJ; Practice Guidelines Committee,American Association for the Study of Liver Diseases (AASLD).Chronic hepatitis B:update of recommendations.Hepatology,2004,39:857-861.
3Farrell GC,George J,Pauline de la M.Hall and McCullough A J,eds.Fatty liver disease:NASH and related disorders.Oxford:Blackwell Publishing,2005,1-22.
4American Gastroenterological Association.American Gastroenterological Association Medical Position Statement:nonalcoholic fatty liver disease.Gastroenterology,2002,123:1702-1704.
5Sanyal AJ.AGA technical review on nonalcoholic fatty liver disease.Gastroenterology,2002,123:1705-1725.
6Ramesh S,Sanyal AJ.Evaluation and management of non-alcoholic steatohepatitis.J Hepatol,2005,42:S2-S12.
8Graif M,Yanuka M,Baraz M,et al.Quantitative estimation of attenuation in ultrasound video images:correlation with histology in diffuse liver disease.Invest Radiol,2000,35:319-324.
9Ataseven H,Yildrim MH,Yalniz M,et al.Correlation between computerized tomographic findings and histopathologic grade/stage in non-alcoholic steatohepatitis.J Hepatol,2003,38(Suppl 2):A4177.
