title: Morphology of a "noninfectious" sarcoma virus.
mesh_terms: D000818:Animals; D002471:Cell Transformation, Neoplastic; D002478:Cells, Cultured; D006224:Cricetinae; D017988:Gammaretrovirus; D006378:Helper Viruses; D007181:Inclusion Bodies, Viral; D008854:Microscopy, Electron; D012509:Sarcoma / Q000382:microbiology*