Immunization coverage rates among two-year-olds in Kansas.
D002675:Child, Preschool; D006801:Humans; D007114:Immunization / Q000706:statistics & numerical data*; D017589:Immunization Programs / Q000706:statistics & numerical data*; D007115:Immunization Schedule; D007223:Infant; D007615:Kansas; D015397:Program Evaluation; D012189:Retrospective Studies