From the Centers for Disease Control and Prevention. Medical-care spending--United States.
D000293:Adolescent; D000328:Adult; D017677:Age Distribution; D000368:Aged; D002648:Child; D002675:Child, Preschool; D003933:Diagnosis; D018166:Health Care Reform; D005102:Health Expenditures / Q000706:statistics & numerical data*; D006296:Health Services / Q000145:classification; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008875:Middle Aged; D014481:United States