title: Electron microscopic evidence of a papillomavirus and a parapoxvirus in the same lesion.
authors.affiliation: Department of Virology and Pathology, Veterinary Research Institute, Onderstepoort, Republic of South Africa.
authors.forename: G H
authors.initials: GH
authors.lastname: Gerdes
authors.forename: J J
authors.initials: JJ
authors.lastname: van der Lugt
mesh_terms: D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000382:microbiology*; D008334:Mandible; D010212:Papilloma / Q000382:microbiology / Q000662:veterinary*; D027383:Papillomaviridae / Q000302:isolation & purification* / Q000648:ultrastructure; D011212:Poxviridae / Q000302:isolation & purification* / Q000648:ultrastructure; D012878:Skin Neoplasms / Q000382:microbiology / Q000662:veterinary*; D014771:Virion / Q000302:isolation & purification / Q000648:ultrastructure