title: Naturally occurring retroviruses (RNA tumor viruses). II (Continued).
mesh_terms: D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000503:physiopathology; D007938:Leukemia / Q000662:veterinary; D001909:Leukemia Virus, Bovine; D012190:Retroviridae; D012842:Sarcoma Virus, Woolly Monkey; D014412:Tumor Virus Infections / Q000503:physiopathology*