title: Editorial: Spleen focus-forming virus in Friend and Rauscher leukemia virus preparations.
mesh_terms: D000818:Animals; D002449:Cell Aggregation; D002455:Cell Division; D002471:Cell Transformation, Neoplastic; D002999:Clone Cells; D003673:Defective Viruses / Q000032:analysis / Q000276:immunology; D005622:Friend murine leukemia virus; D017988:Gammaretrovirus / Q000276:immunology; D005796:Genes; D006378:Helper Viruses; D006648:Histocompatibility; D007772:Lactate dehydrogenase-elevating virus; D004915:Leukemia, Erythroblastic, Acute / Q000382:microbiology; D007942:Leukemia, Experimental / Q000382:microbiology*; D051379:Mice; D008954:Models, Biological; D009858:Oncogenic Viruses; D011087:Polycythemia Vera / Q000382:microbiology; D012328:RNA Viruses; D012367:RNA, Viral / Q000032:analysis; D011925:Rauscher Virus; D012509:Sarcoma / Q000032:analysis; D012513:Sarcoma, Experimental / Q000382:microbiology; D013154:Spleen / Q000166:cytology*; D009626:Terminology as Topic
chemical_list: D012367:RNA, Viral