title: Human tumor and immunodeficiency viruses.
mesh_terms: D000818:Animals; D017977:Deltaretrovirus / Q000145:classification* / Q000235:genetics; D006800:Deltaretrovirus Infections / Q000382:microbiology*; D005814:Genes, Viral; D006801:Humans; D012190:Retroviridae / Q000145:classification* / Q000235:genetics; D014412:Tumor Virus Infections / Q000382:microbiology*