[The "National Days of Poliomyelitis Vaccination" program].
de Castro
J F
JF
D002675:Child, Preschool; D006801:Humans; D008800:Mexico; D009313:National Health Programs; D011051:Poliomyelitis / Q000517:prevention & control*; D011054:Poliovirus Vaccine, Inactivated / Q000008:administration & dosage*
D011054:Poliovirus Vaccine, Inactivated
El programa "Días nacionales de vacunación antipoliomielitica".