Polioparalysis in immunized and unimmunized children.
Rao
S D
SD
Chandrasekhara
M K
MK
D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007273:Injections, Intramuscular / Q000009:adverse effects; D011051:Poliomyelitis / Q000453:epidemiology*; D012189:Retrospective Studies; D012307:Risk Factors; D014611:Vaccination / Q000009:adverse effects / Q000706:statistics & numerical data