1. Induction of sarcoma in rats by a variant of Rous virus;Ahlström;Acta path. et microbiol. scandinav.,1962
2. The application of immune electron microscopy to the demonstration of polyoma virus antigen in cultured mouse embryo cells;Biberfeld;J. Nat. Cancer Inst.,1966a
3. Biberfeld , P. Söderholm , J. Perlmann , P. The purification of ferritin labelled antibodies by columnelectrophoresis 1966b
4. A simple method for the preparation of potent anti-Rous sarcoma virus serum;Fink;J. Nat. Cancer Inst.,1961
5. Immune cytolysis. I. The release of Ribonucleoprotein particles. II. Membrane-bounded structures arising during cell fragmentation;Goldberg;J. Biophys. Biochem. Cytol.,1960