title: Human leukemia viruses? RNA tumor viruses, human malignancies, and concepts of viral carcinogenesis.
mesh_terms: D001943:Breast Neoplasms / Q000382:microbiology; D006801:Humans; D007938:Leukemia / Q000201:enzymology; D008545:Melanoma / Q000382:microbiology; D008970:Molecular Weight; D012516:Osteosarcoma / Q000382:microbiology; D012334:RNA, Neoplasm / Q000032:analysis; D012194:RNA-Directed DNA Polymerase / Q000032:analysis; D012190:Retroviridae
chemical_list: D012334:RNA, Neoplasm; D012194:RNA-Directed DNA Polymerase