title: Measuring emergency care systems: the path forward.
authors.forename: Renee Y
authors.initials: RY
authors.lastname: Hsia
authors.forename: Brendan G
authors.initials: BG
authors.lastname: Carr
mesh_terms: D015906:Angioplasty, Balloon, Coronary / Q000706:statistics & numerical data*; D006801:Humans; D009203:Myocardial Infarction / Q000628:therapy*; D010360:Patient Transfer / Q000706:statistics & numerical data*