title: [Neutralization bioassay for Friend leukemia virus].
mesh_terms: D000818:Animals; D004306:Dose-Response Relationship, Immunologic; D005260:Female; D005622:Friend murine leukemia virus / Q000276:immunology*; D007942:Leukemia, Experimental / Q000276:immunology; D008297:Male; D051379:Mice; D009500:Neutralization Tests; D009929:Organ Size; D012513:Sarcoma, Experimental / Q000276:immunology; D013163:Splenomegaly / Q000209:etiology
vernacular_title: Bioensayo de neutralización para el virus de leucemia de Friend.