title: Paradigm shift.
authors.forename: William K
authors.initials: WK
authors.lastname: Atkinson
mesh_terms: D004632:Emergency Medical Services / Q000331:legislation & jurisprudence*; D018166:Health Care Reform / Q000331:legislation & jurisprudence; D006301:Health Services Needs and Demand; D006801:Humans; D008484:Medicaid / Q000331:legislation & jurisprudence; D058991:Patient Protection and Affordable Care Act; D014481:United States