title: [Electron microscopic observation on virus particles in transplantable mouse sarcoma inoculated with mouse mammary tumor virus].
mesh_terms: D000818:Animals; D008324:Mammary Tumor Virus, Mouse; D051379:Mice; D008854:Microscopy, Electron; D009368:Neoplasm Transplantation; D012510:Sarcoma 180 / Q000473:pathology*