A study of neutralizing antibodies against polioviruses in vaccinated children.
D000367:Age Factors; D000914:Antibodies, Viral / Q000032:analysis; D002648:Child; D002675:Child, Preschool; D006801:Humans; D011051:Poliomyelitis / Q000276:immunology*; D017955:Poliovirus / Q000276:immunology*; D012959:Socioeconomic Factors; D014611:Vaccination
D000914:Antibodies, Viral