title: Surface structure of mouse mammary tumor virus.
mesh_terms: D005612:Freeze Drying; D008324:Mammary Tumor Virus, Mouse / Q000648:ultrastructure*; D008854:Microscopy, Electron; D008961:Models, Structural; D010772:Phosphotungstic Acid; D013194:Staining and Labeling; D014764:Viral Proteins
chemical_list: D014764:Viral Proteins; D010772:Phosphotungstic Acid