Tracers in emergency medical services research.
David C
DC
Cone
D000328:Adult; D002648:Child; D004632:Emergency Medical Services / Q000458:organization & administration*; D006302:Health Services Research / Q000379:methods*; D006801:Humans; D017063:Outcome Assessment, Health Care / Q000379:methods*; D012128:Respiratory Distress Syndrome / Q000175:diagnosis / Q000628:therapy; D020379:Risk Adjustment / Q000379:methods; D014481:United States