J. P. Teifke, Löhr, C. V., and Shirasawa, H.,
“Detection of canine oral papillomavirus-DNA in canine oral squamous cell carcinomas and p53 overexpressing skin papillomas of the dog using the polymerase chain reaction and non-radioactive in situ hybridization.”,
Veterinary microbiology, vol. 60, no. 2-4, pp. 119-30, 1998.