Surveillance of poliomyelitis in Japan from 1962 to 1968.
D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D049673:History, 20th Century; D006801:Humans; D007223:Infant; D007564:Japan; D011051:Poliomyelitis / Q000453:epidemiology* / Q000401:mortality; D014611:Vaccination / Q000266:history