National trends in Congress and state government linked with access to care.
D035082:Federal Government; D006297:Health Services Accessibility / Q000331:legislation & jurisprudence*; D006801:Humans; D007879:Legislation, Dental / Q000639:trends*; D008005:Licensure, Dental / Q000331:legislation & jurisprudence; D008507:Medically Underserved Area; D017057:Medically Uninsured / Q000331:legislation & jurisprudence; D010414:Pennsylvania; D013219:State Government; D014481:United States