SURVEILLANCE OF SALK VACCINATION IN ENGLAND AND WALES 1956-61.
D000293:Adolescent; D001699:Biometry; D002648:Child; D004739:England; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D009461:Neurologic Manifestations; D023321:Poliovirus Vaccines; D013223:Statistics as Topic; D014611:Vaccination; D014852:Wales
D023321:Poliovirus Vaccines
ADOLESCENCE; CHILD; ENGLAND; INFANT; INFANT, NEWBORN; NEUROLOGIC MANIFESTATIONS; POLIOVIRUS VACCINE; STATISTICS; WALES