title: Mammary-tumor virion structures in mouse milk fractions.
mesh_terms: D000818:Animals; D000941:Antigens; D002462:Cell Membrane; D002499:Centrifugation, Density Gradient; D003593:Cytoplasm; D005260:Female; D005779:Immunodiffusion; D008324:Mammary Tumor Virus, Mouse / Q000302:isolation & purification*; D051379:Mice; D008854:Microscopy, Electron; D008892:Milk / Q000382:microbiology*; D008928:Mitochondria; D011247:Pregnancy; D011817:Rabbits; D013194:Staining and Labeling; D013499:Surface Properties
chemical_list: D000941:Antigens