RESPONSE TO ONE DOSE OF TRIVALENT ORAL POLIOVACCINE IN CHILDREN PREVIOUSLY IMMUNISED WITH SALK VACCINE: A COMPARISON OF LIQUID VACCINE AND A  CAPSULE PRESENTATION.
D002648:Child; D004739:England; D006801:Humans; D007115:Immunization Schedule; D009500:Neutralization Tests; D011051:Poliomyelitis; D011054:Poliovirus Vaccine, Inactivated; D011055:Poliovirus Vaccine, Oral; D023321:Poliovirus Vaccines; D013223:Statistics as Topic; D014611:Vaccination; D014612:Vaccines
D011054:Poliovirus Vaccine, Inactivated; D011055:Poliovirus Vaccine, Oral; D023321:Poliovirus Vaccines; D014612:Vaccines
CHILD; ENGLAND; IMMUNIZATION SCHEDULE; NEUTRALIZATION TESTS; POLIOMYELITIS; POLIOVIRUS VACCINE; POLIOVIRUS VACCINE, ORAL; STATISTICS; VACCINATION