Evaluation of a poliomyelitis immunization campaign in Madras city.
D002675:Child, Preschool; D006801:Humans; D007114:Immunization; D007194:India; D007223:Infant; D011051:Poliomyelitis / Q000517:prevention & control*; D011055:Poliovirus Vaccine, Oral / Q000008:administration & dosage*
D011055:Poliovirus Vaccine, Oral