title: Activation of polyoma virus genome in polyoma tumor cells.
mesh_terms: D000230:Adenocarcinoma / Q000382:microbiology; D000818:Animals; D002460:Cell Line; D004622:Embryo, Mammalian; D005354:Fibrosarcoma / Q000382:microbiology; D005796:Genes; D005827:Genetics, Microbial; D007668:Kidney; D051379:Mice; D009374:Neoplasms, Experimental / Q000382:microbiology*; D011120:Polyomavirus / Q000302:isolation & purification