[Comparative studies of the incidence of antipoliomyelitis antibodies in the vaccinated and unvaccinated children of the Rumanian People's Republic].
D000906:Antibodies; D002648:Child; D005006:Ethnicity; D006801:Humans; D015994:Incidence; D011051:Poliomyelitis / Q000276:immunology*
D000906:Antibodies
POLIOMYELITIS/immunology