A COMPARISON OF POLYOMA, "K", AND KILHAM RAT VIRUSES  WITH THE ELECTRON MICROSCOPE.
D000818:Animals; D004583:Electrons; D008853:Microscopy; D008854:Microscopy, Electron; D017992:Parvovirus; D011120:Polyomavirus; D051381:Rats; D012106:Research; D014714:Vertebrates; D014780:Viruses
EXPERIMENTAL LAB STUDY; MICROSCOPY, ELECTRON; POLYOMA VIRUS; RATS; VERTEBRATE VIRUSES