[Poliomyelitis and oral vaccine].
D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D010568:Peru; D011051:Poliomyelitis / Q000276:immunology*; D011055:Poliovirus Vaccine, Oral / Q000009:adverse effects*
D011055:Poliovirus Vaccine, Oral
Poliomielitis y vacuna oral.