Mechanical ventilator. American Thoracic Society. http://www.thoracic.org/patients/patient-resources/resources/mechanical-ventilation.pdf. Updated 2012. Accessed April 2016.
Broaddus VC, Mason RJ, Ernst JD. 2015. Murray and Nadel's textbook of respiratory medicine, 6th ed. Philadelphia: Saunders Elsevier.
Townsend CM, Beauchamp RD, Evers BM, Mattox KL. 2012. Sabiston textbook of surgery, 19th ed. Elsevier.