Family income, ill health, and medical care of U.S. children.
D000293:Adolescent; D002648:Child; D002662:Child Health Services / Q000706:statistics & numerical data*; D002675:Child, Preschool; D006801:Humans; D009017:Morbidity; D009026:Mortality; D011203:Poverty; D012959:Socioeconomic Factors; D014481:United States