title: In vivo studies of the FBJ murine osteosarcoma virus.
mesh_terms: D000818:Animals; D003168:Complement Fixation Tests; D017988:Gammaretrovirus / Q000276:immunology*; D051379:Mice; D009500:Neutralization Tests; D012516:Osteosarcoma / Q000382:microbiology*; D051381:Rats; D012513:Sarcoma, Experimental / Q000382:microbiology*