. Prospective study of bicycling and risk of coronary heart disease in Danish men and women, Kim Blond, M.Sc. et al., Circulation, doi: 10.1161/CIRCULATIONAHA.116.024651, published 1 November 2016.
. Bicycling to work and primordial prevention of cardiovascular risk: A cohort study among Swedish men and women, Anders Grøntved, Ph.D. et al., Journal of the American Heart Association, doi: 10.1161/JAHA.116.004413, published 1 November 2016.
. American Heart Association news release, accessed 31 October 2016 via Eurekalert.