AHCPR says: millions face barriers to medical care.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002648:Child; D002675:Child, Preschool; D006297:Health Services Accessibility; D006630:Hispanic or Latino; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007348:Insurance, Health; D017057:Medically Uninsured; D008875:Middle Aged; D012943:Social Security; D014481:United States