1. Sasser S, Varghese M, Kellermann A, Lormand JD. 2.2.1 The need. In: Sasser S, Varghese M, Kellermann A, Lormand JD, editors. Prehospital trauma care systems. Geneva: World Health Organization; 2005. p. 7–8.
2. Smith CE, Walls RM, Lockey D, Kuhnigk H. Advanced Airway Management and Use of Anesthetic Drugs. In: Søreide E, Grande CM, editors. Prehospital Trauma Care. New York: Marcel Dekker, Inc; 2001. p. 203–53.
3. PHTLS Committee of NAEMT. Airway and Ventilation. In: McSwain NE, editor. PHTLS - Basic and Advanced Prehospital Trauma Life Support. 7th ed. St. Louis: Mosby JEMS, Elsevier; 2011. p. 133–77.
4. American College of Surgeons Committee on Trauma. Airway and Ventilatory Management. In: Rotondo MF, editor. Advanced Trauma Life Support for Doctors - Student Course Manual. 9th ed. Chicago: American College of Surgeons; 2012. p. 30–49.
5. Stiell IG, Nesbitt LP, Pickett W, Munkley D, Spaite DW, Banek J, et al. The OPALS Major Trauma Study: impact of advanced life-support on survival and morbidity. CMAJ. 2008;178:1141–52.