Tuyyub, Dr. Farhan, et al. “CARDIAC MAGNETIC RESONANCE IMAGING (CMRI) VS TRANSTHORACIC ECHOCARDIOGRAPHY FOR THE ASSESSMENT OF CARDIAC VOLUMES & REGIONAL FUNCTION: A COMPARATIVE STUDY”. Pakistan Armed Forces Medical Journal, vol. 69, no. Suppl 1, May 2019, pp. S27-30, https://pafmj.org/PAFMJ/article/view/2814.