[Poliomyelitis in Belgium. 1964].
D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged; D011051:Poliomyelitis / Q000453:epidemiology*
Poliomyélite en Belgique. Année 1964.