Obaid, F. A., O. Maskon, and F. Abdolwahid. “Systolic Function and Intraventricular Mechanical Dyssynchrony Assessed by Advanced Speckle Tracking Imaging With N-Terminal Prohormone of Brain Natriuretic Peptide for Outcome Prediction in CHF Pts”. Sultan Qaboos University Medical Journal, vol. 13, no. 4, Nov. 2013, pp. 551-9, https://journals.squ.edu.om/index.php/squmj/article/view/1864.