title: Expression of mammary tumour virus in late-appearing mammary carcinomas in presumed virus-free mice.
mesh_terms: D000375:Aging; D000818:Animals; D000956:Antigens, Viral / Q000032:analysis; D001681:Biological Assay; D003433:Crosses, Genetic; D005260:Female; D006023:Glycoproteins / Q000032:analysis; D008325:Mammary Neoplasms, Experimental / Q000382:microbiology*; D008324:Mammary Tumor Virus, Mouse / Q000302:isolation & purification*; D051379:Mice; D008815:Mice, Inbred Strains; D014764:Viral Proteins / Q000032:analysis; D014774:Virulence
chemical_list: D000956:Antigens, Viral; D006023:Glycoproteins; D014764:Viral Proteins