title: Concentration by Diaflo ultrafiltration of murine leukemia and sarcoma viruses grown in tissue cultures.
mesh_terms: D000818:Animals; D000941:Antigens / Q000032:analysis*; D003168:Complement Fixation Tests; D003470:Culture Media; D046508:Culture Techniques; D005374:Filtration; D005622:Friend murine leukemia virus / Q000276:immunology; D017988:Gammaretrovirus / Q000276:immunology*; D009052:Leukemia Virus, Murine / Q000276:immunology*; D051379:Mice; D008979:Moloney murine leukemia virus / Q000276:immunology; D011925:Rauscher Virus / Q000276:immunology; D012513:Sarcoma, Experimental
chemical_list: D000941:Antigens; D003470:Culture Media