From the Centers for Disease Control and Prevention. Recommended childhood immunization schedule--United States, 2000.
D002487:Centers for Disease Control and Prevention, U.S.; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007115:Immunization Schedule; D007223:Infant; D017410:Practice Guidelines as Topic; D014481:United States; D014611:Vaccination / Q000592:standards*