1. Minnesota Department of Labor and Industry. Workplace violence prevention: a comprehensive guide for employers and employees. www.dli.mn.gov/Wsc/PDF/WorkplaceViolencePreventionGuide.pdf.
2. CDC. National Violent Death Reporting System (NVDRS) Coding Manual Version 3 [Revised Online]. Published 2008. National Center for Injury Prevention and Control, CDC. www.cdc.gov/injury.
3. WHO. World Report on Violence and Health. www.who.int/violence_injury_prevention/violence/world_report/en/. Published 2002. Accessed April 7, 2016.
4. Surveillance for violent deaths—National violent death reporting system, 16 States, 2009;MMWR Morb Mortal Wkly Rep,2012
5. CDC. Web-based Injury Statistics Query and Reporting System (WISQARS). Atlanta, GA: www.cdc.gov/injury/wisqars/index.html. Updated December 8, 2015. Accessed January 13, 2016.