4Lim YS,Kim WR.The global impact of hepatic fibrosis and end stage liver disease.Clin Liver Dis,2008,12:733-746.
5Everhart JE,Ruhl CE.Burden of digestive diseases in the United States Part Ⅲ:liver,biliary tract,and pancreas.Gastroenterology,2009,136:1134-1144.
6Browning JD,Szczepaniak LS,Dobbins R,et al.Prevalence of hepatic steatosis in an urban population in the United States:impact of ethnicity.Hepatology,2004,40:1387-1395.
7D'Souza RD,Glynn MJ,Ushiro-Lumb I,et al.Prevalence of hepatitis C cirrhosis in elderly Asian patients infected during childhood.Clin Gastroenterol Hepatol,2005,3:910-917.
8Seeff LB,Everhart JE.Is cirrhosis an inevitable consequence of chronic hepatitis C virus infection- Clin Gastroenterol Hepatol,2005,3:840-842.
9Poynard R,Ratziu V,Charlotte R,etal.Rates and risk factors of liver fibrosis progression in patients with chronic hepatitis C.J Hepatol,2001,34:730-739.
10Seeff LB.Natural history of chronic hepatitis C.Hepatology,2002,36(5 Suppl 1):S35-S46.