Shephard, R., Kavanagh, T., Kennedy, J., & Qureshi, S. (1981). Prognosis in myocardial infarction. The benefits of exercise as seen in non-randomised trials. British journal of sports medicine, 15(1), S. 6-16.

Shephard, R.J., T. Kavanagh, Johanna Kennedy, and Salah Qureshi. "Prognosis in Myocardial Infarction. The Benefits of Exercise As Seen in Non-randomised Trials." British Journal of Sports Medicine 15, no. 1 (1981): S. 6-16.

Shephard, R.J., T. Kavanagh, Johanna Kennedy, and Salah Qureshi. "Prognosis in Myocardial Infarction. The Benefits of Exercise As Seen in Non-randomised Trials." British Journal of Sports Medicine 15.1 (1981): S. 6-16.