The fortuitous isolation and identification of the polyoma virus.
D000818:Animals; D006666:History of Medicine; D007938:Leukemia / Q000382:microbiology; D009052:Leukemia Virus, Murine / Q000302:isolation & purification; D051379:Mice; D008809:Mice, Inbred C3H; D010307:Parotid Neoplasms / Q000382:microbiology; D011120:Polyomavirus / Q000302:isolation & purification*