title: CELL TRANSFORMATION BY DIFFERENT FORMS OF POLYOMA VIRUS DNA.
mesh_terms: D001681:Biological Assay; D004267:DNA Viruses; D004279:DNA, Viral; D004622:Embryo, Mammalian; D004625:Embryo, Nonmammalian; D011120:Polyomavirus; D012106:Research; D046509:Tissue Culture Techniques; D014461:Ultracentrifugation
chemical_list: D004279:DNA, Viral
keywords: BIOLOGICAL ASSAY; DNA, VIRAL; EMBRYO; EXPERIMENTAL LAB STUDY; POLYOMA VIRUS; TISSUE CULTURE; ULTRACENTRIFUGATION