title: Absence of antigens related to murine mammary tumour virus polypeptides in rat mammary tumours.
mesh_terms: D000818:Animals; D000956:Antigens, Viral / Q000032:analysis*; D005260:Female; D008325:Mammary Neoplasms, Experimental / Q000276:immunology*; D008324:Mammary Tumor Virus, Mouse / Q000276:immunology*; D010455:Peptides / Q000276:immunology*; D011863:Radioimmunoassay; D051381:Rats; D011919:Rats, Inbred Strains; D014764:Viral Proteins / Q000276:immunology*
chemical_list: D000956:Antigens, Viral; D010455:Peptides; D014764:Viral Proteins