1. Kyosawa Ket al. Interrelationship of blood transfusion, non-A, non-B hepatitis and hepatocellular carcinoma: analysis by detection of antibody to hepatitis C virus. Hepatology, 1990;12:671–675.
2. Okamoto Het al. Detection of hepatitis C virus RNA by a two-stage polymerase chain reaction with two pairs of primers deduced from the 5′-noncoding region. Japan J Exp Med, 1990; 60: 215–222.
3. Du Shaocaiet al. Detection of hepatitis C RNA by nested polymerase chain reaction. J Beijing Med Uni, 1991;23:429–431.
4. Wang J Tet al. Hepatitis C virus in posttransfusion non-A, non-B hepatitis evaluated by synthetic peptide based immunoassay and polymerase chain reaction in prospectively followed patients. In: Tang Z Y. ed. Advances in liver cancer and hepatitis research. Shanghai: Internation Symposium on Liver Cancer and Hepatitis, 1991:185–186.