1. Global burden of disease (GBD) for hepatitis C;The Global Burden of Hepatitis C Working Group;J Clin Pharmacol,2004
2. Prevalence of hepatitis C virus infection in the United States, 1999 through 2002;Armstrong;Ann Intern Med,2006
3. Surveillance for acute viral hepatitis—United States, 2007. Surveillance summaries, May 22, 2009;Centers for Disease Control and Prevention;MMWR Morb Mortal Wkly Rep,2009
4. Hepatitis Surveillance Report No. 59;Centers for Disease Control and Prevention,2004
5. Natural history of hepatitis C: its impact on clinical management;Di Bisceglie;Hepatology,2000