title: Protocol or performance.
authors.affiliation: University of Washington Department of Medicine, King County Emergency Services, Public Health, Seattle, Washington 98104, USA. rea123@u.washington.edu
authors.forename: Thomas D
authors.initials: TD
authors.lastname: Rea
mesh_terms: D016887:Cardiopulmonary Resuscitation / Q000379:methods*; D006801:Humans; D058687:Out-of-Hospital Cardiac Arrest / Q000401:mortality*; D058996:Quality Improvement