Teefy, John Evaluation of the Uptake of a Prehospital Cardiac Arrest Termination of Resuscitation Rule. [electronic resource] - The Journal of emergency medicine Feb 2020 - 254-259 p. digital Publication Type: Evaluation Study; Journal Article ISSN: 0736-4679 Standard No.: 10.1016/j.jemermed.2019.11.018 doi Subjects--Topical Terms: AgedAmbulancesCardiopulmonary Resuscitation--standardsDecision Support TechniquesEmergency Medical Services--standardsFemaleHumansMaleMedical FutilityMiddle AgedOntarioOut-of-Hospital Cardiac Arrest--therapyRetrospective Studies