Surveillance of poliomyelitis in the United States, 1962-65.
D006801:Humans; D011051:Poliomyelitis / Q000453:epidemiology* / Q000276:immunology*; D011055:Poliovirus Vaccine, Oral; D011159:Population Surveillance; D014481:United States; D014611:Vaccination
D011055:Poliovirus Vaccine, Oral