Increased tumour formation by polyoma virus in the presence of non-oncogenic viruses.
D000256:Adenoviridae; D000818:Animals; D000917:Antibody Formation; D004267:DNA Viruses; D007668:Kidney / Q000166:cytology; D051379:Mice; D009369:Neoplasms / Q000453:epidemiology / Q000209:etiology*; D011120:Polyomavirus / Q000472:pathogenicity*