1. Equine connective tissue tumours contain unintegrated bovine papilloma virus DNA;Amtmann;J. Virol.,1980
2. Common membrane neoantigen on bovine papilloma virus-induced fibroma cells from cattle and horses;Barthold;Am. J. vet. Res.,1978
3. Cell mediated immunity in horses with sarcoid tumours against sarcoid cells in vitro;Broström;Am. J. vet. Res.,1979
4. Isolation of a retrovirus from cultured equine sarcoid tumour cells;Cheevers;Am. J. vet. Res.,1982
5. Virus-like particles in an equine sarcoid cell line;England;Am. J. vet. Res.,1973