WHO. Factsheet Cardiovascular Diseases. Available from http://www.who.int/mediacentre/factsheets/fs317/en/. Last access May 2017.
WHO. Cardiovascular disease. Available from: http://www.who.int/cardiovascular_diseases/en/. Last access May 2017.
WHO. Cardiovascular disease. About cardiovascular diseases. Available from: http://www.who.int/cardiovascular_diseases/about_cvd/en/. Last access May 2017.