1. Immunofluorescence detection of a new antigen/antibody system (delta/anti-delta) associated with hepatitis B virus in liver and in serum of HBsAg carriers;Rizzetto, M.; Canese, M.G.; Aric6, S.;Gut,1977
2. Epidemiology of HBV-associated delta agent: geographical distribution of anti-delta and prevalence in polytransfused HBsAg carriers;Rizzetto, M.; Purcell, R.H.; Gerin, J.L.;Lancet,1980
3. Transmission of the hepatitis B virus-associated delta antigen to chimpanzees. J7 Infect Dis;Rizzetto, M.; Canese, M.G.; Gerin, J.L.; London, W.T.; Sly, D.L.; Purcell, R.H.,1980
4. Delta-infection in Sweden: introduction of a new hepatitis agent;Hansson, B.G.; Moestrup, T.; Widell, A.; Nordenfelt, E.;7 Infect Dis,1982
5. IgM antibody to the hepatitis B core antigen in acute hepatitis determined by SPRIA-diagnostic value;Widell, A.; Hansson, B.G.; Lofgren, B.;Acta Pathol microbiol Scand (B),1982