title: Variability in cardiac arrest survival: the NHS Ambulance Service Quality Indicators.
authors: Gavin D
authors: GD
authors: Perkins
authors: Matthew W
authors: MW
authors: Cooke
mesh_terms: D000552:Ambulances / Q000592:standards*; D016887:Cardiopulmonary Resuscitation / Q000706:statistics & numerical data*; D016757:Death, Sudden, Cardiac; D004634:Emergency Medical Technicians / Q000592:standards*; D005260:Female; D019983:Guideline Adherence; D006801:Humans; D008297:Male; D058687:Out-of-Hospital Cardiac Arrest / Q000401:mortality*; D017410:Practice Guidelines as Topic