N. Naseer, A. Hassan, and Z. Ghous, “DIAGNOSING PERIPHERAL ARTERIAL DISEASE IN PATIENTS WITH KNOWN CORONARY ARTERY DISEASE IN A TERTIARY CARE CENTER IN LAHORE AND ASSESSING DIAGNOSTIC ACCURACY OF ANKLE – BRACHIAL INDEX TAKING DUPLEX ULTRASOUND AS GOLD STANDARD”, Annals KEMU, vol. 21, no. 4, p. 274, Jan. 2016.