T. Iqbal, A. Usman, M. N. Khan, F. Tuyyab, N. Z. Ahmed, and S. M. Daniyal, “CHRONIC TOTAL OCCLUSION OF NATIVE CORONARY ARTERIES - PERCUTANEOUS CORONARY INTERVENTION STILL A SAFE AND EFFECTIVE OPTION”, Pak Armed Forces Med J, vol. 66, no. SUPPL-1, pp. S108–11, Dec. 2016, Accessed: Feb. 03, 2026. [Online]. Available: https://www.pafmj.org/PAFMJ/article/view/11689