title: THE POSSIBILITY OF QUANTITATIVE AND MORPHOLOGICAL STUDY OF POLIOVIRUS (SABIN'S STRAINS) WITH ITS PARALLEL TITRATION.
mesh_terms: D004583:Electrons; D008853:Microscopy; D008854:Microscopy, Electron; D017955:Poliovirus; D011137:Polystyrenes
chemical_list: D011137:Polystyrenes
keywords: MICROSCOPY, ELECTRON; POLIOVIRUS; POLYSTYRENES