Iqbal, M. N., Ashraf, A., Yunus, F.- un-N., Muhammad, A., Alam, S., Xiao, S., Ali, S. and Irfan, M. (2016) “Prevalence of Angina Pectoris in Relation to Various Risk Factors”, PSM Biological Research, 1(1), pp. 6–10. Available at: https://journals.psmpublishers.org/index.php/biolres/article/view/14 (Accessed: 29June2022).