title: Chromatography of poliovirus strains isolated in Hungary prior to and after the introduction of live poliovirus vaccine.
mesh_terms: D002648:Child; D002675:Child, Preschool; D002845:Chromatography; D006801:Humans; D011051:Poliomyelitis / Q000276:immunology*; D017955:Poliovirus / Q000302:isolation & purification*; D011055:Poliovirus Vaccine, Oral
chemical_list: D011055:Poliovirus Vaccine, Oral