Helicopter scene response: regional variation in compliance with air medical triage guidelines.
D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D017732:Air Ambulances; D001900:Boston; D002648:Child; D002675:Child, Preschool; D005260:Female; D019983:Guideline Adherence; D006801:Humans; D008297:Male; D008485:Medical Audit; D008875:Middle Aged; D010818:Practice Patterns, Physicians'; D012189:Retrospective Studies; D014218:Triage / Q000592:standards*; D014947:Wounds and Injuries; D055815:Young Adult