1. The delta agent;Rizzetto, M.;Hepatology,1983
2. Immunoperoxidase staining of the HBV-associated delta antigen in paraffinated liver specimens;Recchia, S.; Rizzi, R.; Acquaviva, F.;Pathologica,1981
3. Prevalence of delta antigen/antibody in B-viral induced hepatocellular carcinoma;Govindarajan, G.; Hevia, F.J.; Peter, R.L.