Immunizations the most cost effective means of disease prevention: a state-local cooperative.
D002648:Child; D002675:Child, Preschool; D003140:Communicable Disease Control / Q000191:economics*; D003362:Cost-Benefit Analysis; D006801:Humans; D007114:Immunization; D007223:Infant; D007615:Kansas; D012189:Retrospective Studies