Zheng, X., Ji, P., Mao, H., & Hu, J. (2011). The tissue velocity imaging and strain rate imaging in the assessment of interatrial electromechanical conduction in patients with sick sinus syndrome before and after pacemaker implantation. Bosnian Journal of Basic Medical Sciences, 11(2), 124-128. https://doi.org/10.17305/bjbms.2011.2595