1. Global, regional, and national burden of suicide mortality 1990 to 2016: systematic analysis for the Global Burden of Disease Study 2016;Naghavi;BMJ,2019
2. Centers for Disease Control and Prevention. Suicide Mortality in the United States, 1999–2019. Hedegaard H, Curtin SC, Warner M. NCHS Data Brief, No. 398. Feb 2021. Accessed Mar 7, 2022. https://www.cdc.gov/nchs/data/databriefs/db398-H.pdf.
3. Suicide distribution and trends among male older adults in the U.S., 1999–2018;El Ibrahimi;Am J Prev Med,2021
4. Rurality and risk of suicide attempts and death by suicide among people living in four English-speaking high-income countries: a systematic review and meta-analysis;Barry;Can J Psychiatry,2020
5. Centers for Disease Control and Prevention. Urban-Rural Differences in Suicide Rates, by Sex and Three Leading Methods: United States, 2000–2018. Pettrone K, Curtin SC. NCHS Data Brief, No. 373. Aug 2020. Accessed Mar 7, 2022. http://www.cdc.gov/nchs/data/databriefs/db373-H.pdf.