THE CYCLIC HELIX AND CYCLIC COIL FORMS OF POLYOMA VIRAL DNA.
D004247:DNA; D004279:DNA, Viral; D004583:Electrons; D008853:Microscopy; D008854:Microscopy, Electron; D011120:Polyomavirus; D017433:Protein Structure, Secondary; D012106:Research
D004279:DNA, Viral; D004247:DNA
DNA, VIRAL; EXPERIMENTAL LAB STUDY; MICROSCOPY, ELECTRON; POLYOMA VIRUS