1. Harrell E . Workplace violence 1993-2009. Bureau of Justice Statistics. U.S. Department of Justice. March 2011. Accessed 11/29/2017 at https://www.bjs.gov/content/pub/pdf/wv09.pdf.
2. Occupational traumatic injuries among workers in health care facilities - United States, 2012–2014;Gomaa;MMWR Morb Mortal Wkly Rep,2015
3. Janocha JA , Smith RT . Workplace safety and health in the health care and social assistance industry, 2003-07. Accessed 11/29/2017 at https://www.bls.gov/opub/mlr/cwc/workplace-safety-and-health-in-the-health-care-and-social-assistance-industry-2003-07.pdf.
4. Active Shooter Planning and Response in a Healthcare Setting. Healthcare and Public Health Sector Coordinating Council. 2017. Accessed 11/29/2017 at https://www.fbi.gov/file-repository/active_shooter_planning_and_response_in_a_healthcare_setting.pdf/view.