Gaps in insurance coverage: impact on health care in the United States.
D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D006296:Health Services / Q000706:statistics & numerical data*; D006297:Health Services Accessibility / Q000191:economics; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007348:Insurance, Health / Q000706:statistics & numerical data*; D008875:Middle Aged; D012959:Socioeconomic Factors; D014481:United States