The uninsured and the underinsured: what can we do?
D000328:Adult; D006291:Health Policy / Q000331:legislation & jurisprudence; D006801:Humans; D007348:Insurance, Health / Q000331:legislation & jurisprudence*; D008483:Medical Assistance / Q000600:supply & distribution*; D008489:Medical Indigency; D008875:Middle Aged; D013219:State Government; D014481:United States