[VACCINATION AGAINST POLIOMYELITIS IN BELGIUM].
D001530:Belgium; D001699:Biometry; D002648:Child; D006801:Humans; D011051:Poliomyelitis; D011055:Poliovirus Vaccine, Oral; D023321:Poliovirus Vaccines; D013223:Statistics as Topic; D014611:Vaccination
D011055:Poliovirus Vaccine, Oral; D023321:Poliovirus Vaccines
BELGIUM; CHILD; POLIOVIRUS VACCINE, ORAL; STATISTICS; VACCINATION
LA VACCINATION CONTRE LA POLIOMY'ELITE EN BELGIQUE.