Iqbal, M. N., Ashraf, A., Yunus, F.- un-N., Muhammad, A., Alam, S., Xiao, S., Ali, S., & Irfan, M. (2016). Prevalence of Angina Pectoris in Relation to Various Risk Factors. PSM Biological Research, 1(1), 6–10. Retrieved from https://psmjournals.org/index.php/biolres/article/view/14