title: From the Centers for Disease control and Prevention. National, state, and urban area vaccination coverage levels among children aged 19-35 months--United States, 2000.
mesh_terms: D002675:Child, Preschool; D006801:Humans; D007223:Infant; D014481:United States / Q000453:epidemiology; D014611:Vaccination / Q000706:statistics & numerical data*