title: STUDIES ON THE INTRATYPIC VARIANTS OF ECHOVIRUSES. II. THE ROLE OF CELL RECEPTORS IN THE SELECTION OF ECHOVIRUS VARIANTS.
mesh_terms: D003470:Culture Media; D029822:Enterovirus B, Human; D004912:Erythrocytes; D006384:Hemagglutination; D006385:Hemagglutination Inhibition Tests; D006386:Hemagglutination Tests; D006863:Hydrogen-Ion Concentration; D009154:Mutation; D046509:Tissue Culture Techniques
chemical_list: D003470:Culture Media
keywords: CULTURE MEDIA; ECHO VIRUSES; ERYTHROCYTES; HEMAGGLUTINATION; HEMAGGLUTINATION INHIBITION TESTS; HYDROGEN-ION CONCENTRATION; MUTATION; TISSUE CULTURE