title: Multigene family of endogenous retroviruses: recombinant origin of diversity.
mesh_terms: D000818:Animals; D000956:Antigens, Viral / Q000235:genetics; D002213:Capsid / Q000235:genetics; D005814:Genes, Viral; D014644:Genetic Variation; D007942:Leukemia, Experimental / Q000209:etiology; D051379:Mice; D012194:RNA-Directed DNA Polymerase / Q000235:genetics; D011995:Recombination, Genetic; D012190:Retroviridae / Q000235:genetics*; D014764:Viral Proteins / Q000235:genetics
chemical_list: D000956:Antigens, Viral; D014764:Viral Proteins; D012194:RNA-Directed DNA Polymerase