title: From the Centers for Disease Control and Prevention. State and national vaccination coverage levels among children aged 19-35 months--United States, April-December 1994.
mesh_terms: D002675:Child, Preschool; D003625:Data Collection; D006801:Humans; D007223:Infant; D011159:Population Surveillance; D014481:United States / Q000453:epidemiology; D014611:Vaccination / Q000706:statistics & numerical data*