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2. Homicide, Suicide, and Unintentional Firearm Fatality: Comparing the United States With Other High-Income Countries, 2003
3. Centers for Disease Control and Prevention. Nonfatal injury reports 2001–2013. http://webappa.cdc.gov/sasweb/ncipc/nfirates2001.html. Accessed October 1 2014.
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5. Unrelenting violence