7Alberti A,Benvegnu L. Management of hepatitis C[J]. Journal of Hep- atol,2003,38( 1 ) :S104-S118.
8World Health Organization,Hepatitis B. World Health Organization Fact Sheet 204 dex[OL].http://www.who.int/mediacentre/ factsheets/fs204/en/ in html,2000.