Iftikhar, Imran, et al. “PERCEPTION, KNOWLEDGE AND AWARENESS OF CORONARY ARTERY DISEASE AMONG PATIENTS PRESENTING TO RAWALPINDI INSTITUTE OF CARDIOLOGY: A TERTIARY CARE CARDIAC FACILITY”. Pakistan Armed Forces Medical Journal, vol. 66, no. SUPPL-1, Dec. 2016, pp. S112-16, https://pafmj.org/PAFMJ/article/view/11690.