1. 1. Global surveillance and control of hepatitis C. Report of a WHO consultation organized in collaboration with the viral hepatitis prevention board, Antwerp, Belgium. J Viral Hepat 1999; 6: 35-47.
2. 2. World Health Organization. Hepatitis C - global prevalence (update). Wkly Epidemiol Rec 2000; 75: 18-9.
3. 3. World Health Organization. Hepatitis C - global prevalence (update). Wkly Epidemiol Rec 1999; 74: 425-7.
4. 4. World Health Organization. Hepatitis C: global prevalence (update). Wkly Epidemiol Rec 1997; 72: 341-4.
5. 5. Shepard CW , Finelli L , Alter MJ. Global epidemiology of hepatitis C virus infection. Lancet Infect Dis 2005; 5: 558-67.