Anwar, Wasif, et al. “EXERCISE TOLERANCE TEST AS A SCREENING TOOL FOR CORONARY ARTERY DISEASE IN ASYMPTOMATIC ADULTS”.
Pakistan Armed Forces Medical Journal
, vol. 70, no. 5, Oct. 2020, pp. 1294-99,
https://www.pafmj.org/PAFMJ/article/view/5552
.