1. 1. World Health Organization. Fact sheet N°317. 2015. https://www.who.int/news-room/fact-sheets
2. Global mortality, disability, and the contribution of risk factors: Global Burden of Disease Study;CJ;Lancet,1997
3. 3. Ölüm Nedeni İstatistikleri, Türkiye İstatistik Kurumu. 2014. https://data.tuik.gov.tr/Bulten/Index?p=Olum-Nedeni-Istatistikleri-2014-18855
4. 4. Kinsella K, Wan H. International population reports. An Aging World: 2008. https://www.census.gov/library/publications/2009/demo/p95-09-1.html
5. An update;Paparella;Eur J Cardiothorac Surg,2002