Rehman, Muhammad Matloob Ur, et al. “CORONARY ARTERY DISEASE AND T WAVE INVERSIONS IN ELECTROCARDIOGRAM AT HIGH ALTITUDE: Coronary Artery Disease and T Wave Inversion”. Pakistan Armed Forces Medical Journal, vol. 59, no. 3, Sept. 2009, pp. 257-62, https://www.pafmj.org/PAFMJ/article/view/1797.