Clark, Alexander M., King-Shier, Kathryn M., Thompson, David R., Spaling, Melisa A., Duncan, Amanda S., Stone, James A., Jaglal, Susan B. and Angus, Jan E. (2012) A qualitative systematic review of influences on attendance at cardiac rehabilitation programs after referral. American Heart Journal, 164 (6). 835-845.e2. ISSN 0002-8703 (doi:10.1016/j.ahj.2012.08.020)