title: Variation in RNA tumor virus expression in H-2 congenic leukemia cell lines.
mesh_terms: D000406:AKR murine leukemia virus / Q000276:immunology; D000818:Animals; D002460:Cell Line; D002478:Cells, Cultured; D005622:Friend murine leukemia virus / Q000276:immunology; D014644:Genetic Variation; D006183:H-2 Antigens / Q000276:immunology*; D006238:Haploidy; D007942:Leukemia, Experimental / Q000209:etiology / Q000276:immunology*; D051379:Mice; D008807:Mice, Inbred BALB C; D012190:Retroviridae / Q000276:immunology
chemical_list: D006183:H-2 Antigens