Khalifa, A K Transmission and immunity of bovine papilloma in Iraq. [electronic resource] - Bulletin of animal health and production in Africa. Bulletin des sante et production animales en Afrique Dec 1981 - 329-31 p. digital Publication Type: Journal Article ISSN: 0378-9721 Subjects--Topical Terms: AnimalsCattleCattle Diseases--transmissionGoatsHorsesPapillomaviridaeRodentiaTumor Virus Infections--transmission