1. Seven Countries Study. http://www.sph.umn.edu/epi/history/yugoslavia.asp
2. Heart Disease and Stroke Statistics, 2011 Update;Circulation,2011
3. Coronary heart disease in seven countries;Keys;Circulation,1970
4. The INTERHEART study;Lancet,2004
5. Health revolutionary: the life and work of Ancel Keys. http://www.asph.org/movies/keys.pdf