No abstract available
MeSH terms
-
Child, Preschool
-
Female
-
Humans
-
Immunization Programs*
-
Poliomyelitis / etiology
-
Poliomyelitis / prevention & control*
-
Poliomyelitis / virology
-
Poliovirus / classification
-
Poliovirus / isolation & purification
-
Poliovirus Vaccine, Oral / adverse effects*