Riley RF, Newby LK, Don CW, Roe MT, Holmes DN, Gandhi SK, Kutcher MA, Herrington DM. Diagnostic time course, treatment, and in-hospital outcomes for patients with ST-segment elevation myocardial infarction presenting with nondiagnostic initial electrocardiogram: a report from the American Heart Association Mission: Lifeline program. Am Heart J. 2013 Jan; 165(1):50-6.