1. Equine connective tissue tumors contain unintegrated bovine papilloma virus DNA;Amtnann E.;J. Virol.,1980
2. Fibroma regression in relation to antibody and challenge immunity to bovine papilloma virus;Barthold S. W.;Cancer Res.,1974
3. Membrane antigen of bovine papilloma virus-induced fibroma cells;Barthold S. W.;J. Natl. Cancer Inst.,1974
4. Barthold S. W. and C. Olson. 1974. Papovavirus-induced neoplasia 70-75. In E. C. Melby Jr. and N. H. Altman (ed.) Handbook of laboratory animal science. CRC Press Cleveland.
5. Common membrane neoantigen on bovine papilloma virus-induced fibroma cells from cattle and horses;Barthold S. W.;Am. J. Vet. Res.,1978