title: Detection of oncornavirus-like particles in HeLa cells. I. Fine structure and comparative morphological classification.
mesh_terms: D002460:Cell Line; D002478:Cells, Cultured; D006367:HeLa Cells / Q000382:microbiology*; D006801:Humans; D007181:Inclusion Bodies, Viral; D007621:Karyotyping; D008854:Microscopy, Electron; D009858:Oncogenic Viruses