1. American Board of Emergency Medicine. Policy on content specifications of lifelong learning self-assessment tests for emergency medicine. May 2009. Available at: https://www.abem.org/public/docs/default-source/policies/policy-on-content-specifications-of-lifelong-learning-self-assessment-tests.pdf?sfvrsn=10. Accessed March 1, 2012.
2. American Board of Emergency Medicine. Policy on solicitation and criteria for selection of readings for lifelong learning and self-assessment tests for emergency medicine. May 2009. Available at: https://www.abem.org/public/docs/default-source/policies/policy-on-solicitation-and-criteria-for-selection-of-readings-for-lifelong-learning-self-assessment-tests-for-em.pdf?sfvrsn=10. Accessed June 22, 2012.
3. American Board of Emergency Medicine. Becoming an item writer. October 2011. Available at: https://www.abem.org/public/general-information/who-is-abem-/becoming-an-abem-item-writer. Accessed March 1, 2012.
4. American Board of Emergency Medicine. Privacy statement. July 2011. Available at: http://www.abem.org/public/docs/default-source/general-abem/abem-privacy-statement-2012-04-10.pdf?Status=Temp&sfvrsn=4. Accessed March 1, 2012.
5. Validation;Kane,2006