What is cardiac rehabilitation? American Heart Association. http://www.heart.org/HEARTORG/Conditions/More/CardiacRehab/What-is-Cardiac-Rehabilitation_UCM_307049_Article.jsp#.V7S-xk0m4kk. Updated July 2015. Accessed August 2016.
Balady GJ, Ades PA, Bittner VA, et al. Referral, enrollment, and delivery of cardiac rehabilitation/secondary prevention programs at clinical centers and beyond: a presidential advisory from the American Heart Association. Circulation 2011; 124:2951. http://circ.ahajournals.org/content/124/25/2951.
US Department of Health and Human Services. National Institutes of Health. National Heart, Lung, and Blood Institute. What is cardiac rehabilitation? https://www.nhlbi.nih.gov/health/health-topics/topics/rehab. Updated December 24, 2013. Accessed August 2016.