Fullerton, CS, McCarroll JE, Ursano RJ, Wright KM.: Psychological responses of rescue workers: fire fighters and trauma. Am J Orthopsychiatry 1992;62:371-8.
Rørtveit S, Meland M.: First responder resuscitation teams in a rural Norwegian community: sustainability and self-reports of meaningfulness, stress and mastering. Scand J Trauma Resusc Emerg Med 2010; 18-25.