Polioantibody titres in children aged 7-15 years in London.
D000293:Adolescent; D000367:Age Factors; D000906:Antibodies / Q000032:analysis*; D002648:Child; D006801:Humans; D007115:Immunization Schedule; D008131:London; D011051:Poliomyelitis / Q000517:prevention & control; D017955:Poliovirus / Q000276:immunology*; D011054:Poliovirus Vaccine, Inactivated; D006113:United Kingdom; D014611:Vaccination
D000906:Antibodies; D011054:Poliovirus Vaccine, Inactivated