[Poliomyelitis in belgium 1973].
D000293:Adolescent; D000328:Adult; D001530:Belgium; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D011051:Poliomyelitis / Q000453:epidemiology*; D011055:Poliovirus Vaccine, Oral / Q000627:therapeutic use; D014611:Vaccination
D011055:Poliovirus Vaccine, Oral
Poliomyélite en belgique année 1973