1. Centers for Disease Control and Prevention. Web-based Injury Statistics Query and Reporting System (WISQARS) [Internet]. 2017. https://webappa.cdc.gov/sasweb/ncipc/mortrate10_us.html
2. Coming to terms with the terms of risk;HC Kraemer;Arch Gen Psychiatry,1997
3. US Census Bureau. 2010 Census Data [Internet]. 2010. http://www.census.gov/2010census/data/
4. Trends in suicide ideation, plans, gestures, and attempts in the United States, 1990–1992 to 2001–2003;RC Kessler;Trends in suicide ideation, plans, gestures, and attempts in the United States, 1990–1992 to 2001–2003,2005
5. Commentary: Suicide as Psychache;ES Shneidman;J Nerv Ment Dis,1993