title: Propagation of the mammary tumor agent (Bittner virus) in the absence of mammary glands in mice.
mesh_terms: D000818:Animals; D005260:Female; D008321:Mammary Glands, Animal / Q000601:surgery*; D008325:Mammary Neoplasms, Experimental / Q000209:etiology*; D008324:Mammary Tumor Virus, Mouse / Q000254:growth & development*; D051379:Mice; D013154:Spleen / Q000637:transplantation*