title: Comparative studies of type C, type B, and M-PM oncornaviruses.
mesh_terms: D000818:Animals; D002478:Cells, Cultured; D005260:Female; D000882:Haplorhini; D006801:Humans; D007938:Leukemia / Q000382:microbiology; D008324:Mammary Tumor Virus, Mouse / Q000648:ultrastructure*; D051379:Mice; D008807:Mice, Inbred BALB C; D009369:Neoplasms / Q000382:microbiology; D009858:Oncogenic Viruses / Q000648:ultrastructure*; D012190:Retroviridae / Q000648:ultrastructure*