title: Concentration of echoviruses by polyethylene glycol.
mesh_terms: D002499:Centrifugation, Density Gradient; D011232:Chemical Precipitation; D005617:Chlorofluorocarbons, Methane; D029822:Enterovirus B, Human / Q000276:immunology / Q000302:isolation & purification*; D006386:Hemagglutination Tests; D006389:Hemagglutinins, Viral / Q000032:analysis; D006801:Humans; D006863:Hydrogen-Ion Concentration; D008722:Methods; D008970:Molecular Weight; D011092:Polyethylene Glycols; D012703:Serotyping; D013395:Sucrose; D010948:Viral Plaque Assay
chemical_list: D005617:Chlorofluorocarbons, Methane; D006389:Hemagglutinins, Viral; D011092:Polyethylene Glycols; D013395:Sucrose