1. Global Surveillance and control of hepatitis C;J Med Virol,1999
2. Hepatitis C: Global prevalence;Wkly Epidemiol Record,1997
3. The natural history of community-acquired hepatitis C in the United States. The Sentinel Counties Chronic non-A, non-B Hepatitis Study Team;Alter;N Engl J Med,1992
4. Hepatitis C;Wkly Epidemiol Record,1997
5. Epidemiology of hepatitis C virus infection among injecting drug users in Australia;Crofts;J Epidemiol Community Health,1997