title: Interspecies radioimmunoassay for the major internal protein of mammary tumor viruses.
mesh_terms: D000818:Animals; D000956:Antigens, Viral / Q000032:analysis*; D000939:Epitopes; D008321:Mammary Glands, Animal / Q000276:immunology*; D008325:Mammary Neoplasms, Experimental / Q000276:immunology* / Q000382:microbiology; D008324:Mammary Tumor Virus, Mouse / Q000276:immunology* / Q000648:ultrastructure; D011863:Radioimmunoassay; D013045:Species Specificity; D014764:Viral Proteins / Q000276:immunology*
chemical_list: D000956:Antigens, Viral; D000939:Epitopes; D014764:Viral Proteins