title: Rat embryo cells in complement fixation tests for murine leukemia virus.
mesh_terms: D000818:Animals; D003168:Complement Fixation Tests; D046508:Culture Techniques; D004622:Embryo, Mammalian / Q000166:cytology*; D005622:Friend murine leukemia virus / Q000276:immunology; D017988:Gammaretrovirus / Q000276:immunology; D009052:Leukemia Virus, Murine / Q000276:immunology* / Q000302:isolation & purification; D008979:Moloney murine leukemia virus / Q000276:immunology; D051381:Rats; D011925:Rauscher Virus / Q000276:immunology; D012513:Sarcoma, Experimental; D014776:Virus Cultivation