title: Massachusetts' health care reform and emergency department utilization.
authors: Washington University School of Medicine, St Louis, USA.
authors: Christopher
authors: C
authors: Chen
authors: Gabriel
authors: G
authors: Scheffler
authors: Amitabh
authors: A
authors: Chandra
mesh_terms: D004636:Emergency Service, Hospital / Q000706:statistics & numerical data* / Q000639:trends; D018166:Health Care Reform / Q000331:legislation & jurisprudence*; D006760:Hospitalization / Q000639:trends*; D006801:Humans; D008404:Massachusetts; D014481:United States