title: Spontaneous occurrence of precipitating antibodies to the mammary tumor virus in mice.
mesh_terms: D000818:Animals; D000906:Antibodies / Q000032:analysis*; D000956:Antigens, Viral; D005260:Female; D007108:Immune Tolerance; D005779:Immunodiffusion; D008325:Mammary Neoplasms, Experimental / Q000276:immunology*; D008324:Mammary Tumor Virus, Mouse / Q000276:immunology*; D051379:Mice
chemical_list: D000906:Antibodies; D000956:Antigens, Viral