Manaan, Hafiz Abdul, et al. “FREQUENCY OF ELEVATED HIGH-SENSITIVITY TROPONIN T AND ASSOCIATED CARDIAC PREDICTORS IN HIGH-GRADE ATRIOVENTRICULAR BLOCK PATIENTS WITH NON-ISCHEMIC ECG CHANGES”. Pakistan Armed Forces Medical Journal, vol. 69, no. 4, Aug. 2019, pp. 901-04, https://pafmj.org/PAFMJ/article/view/3222.