title: Electronmicroscopy of the purified MM poliomyelitis virus.
mesh_terms: D017943:Cardiovirus; D004583:Electrons; D008853:Microscopy; D008854:Microscopy, Electron; D011051:Poliomyelitis; D014780:Viruses / Q000302:isolation & purification*
keywords: MICROSCOPY/electron; VIRUSES/purification