title: [Comparative ultrastructural studies on the type C virus particles (RNA tumor viruses) in various animals].
mesh_terms: D000818:Animals; D002415:Cats; D002645:Chickens; D006224:Cricetinae; D005293:Ferritins / Q000032:analysis; D005622:Friend murine leukemia virus; D006801:Humans; D007942:Leukemia, Experimental / Q000382:microbiology; D008223:Lymphoma / Q000382:microbiology; D051379:Mice; D008854:Microscopy, Electron; D009232:Myxoma / Q000382:microbiology; D009858:Oncogenic Viruses; D012516:Osteosarcoma / Q000382:microbiology; D012328:RNA Viruses; D051381:Rats; D012509:Sarcoma / Q000382:microbiology; D012911:Snakes
chemical_list: D005293:Ferritins