Comparison of leukemogenic and sarcomagenic viruses at the ultrastructural level.
D000818:Animals; D001354:Avian Leukosis Virus / Q000145:classification; D002415:Cats; D002460:Cell Line; D002645:Chickens; D006224:Cricetinae; D006801:Humans; D051379:Mice; D008854:Microscopy, Electron; D009858:Oncogenic Viruses / Q000648:ultrastructure*; D012328:RNA Viruses / Q000648:ultrastructure; D012190:Retroviridae / Q000145:classification / Q000302:isolation & purification / Q000648:ultrastructure*; D012509:Sarcoma / Q000382:microbiology; D013154:Spleen / Q000382:microbiology