title: Electron microscope studies of tumor virus RNA.
mesh_terms: D001358:Avian Sarcoma Viruses / Q000032:analysis; D005256:Leukemia Virus, Feline / Q000032:analysis; D008854:Microscopy, Electron / Q000379:methods; D008970:Molecular Weight; D009690:Nucleic Acid Conformation; D009858:Oncogenic Viruses / Q000032:analysis*; D012328:RNA Viruses / Q000032:analysis*; D012367:RNA, Viral / Q000032:analysis
chemical_list: D012367:RNA, Viral