[Immunological control of poliomyelitis. Experience in Venezuela].
D002675:Child, Preschool; D006801:Humans; D007223:Infant; D011051:Poliomyelitis / Q000517:prevention & control*; D011055:Poliovirus Vaccine, Oral; D014611:Vaccination; D014687:Venezuela
D011055:Poliovirus Vaccine, Oral
Control inmunológico de la poliomelitis. Experiencia en Venezuela.