title: Electron microscopy of feline leukaemia virus RNA.
mesh_terms: D000818:Animals; D002415:Cats; D004983:Ethanolamines; D005559:Formamides; D005256:Leukemia Virus, Feline / Q000032:analysis*; D008854:Microscopy, Electron; D008970:Molecular Weight; D012367:RNA, Viral / Q000032:analysis* / Q000302:isolation & purification; D014508:Urea
chemical_list: D004983:Ethanolamines; D005559:Formamides; D012367:RNA, Viral; D014508:Urea