Xiajuan , Zhao, Ding Ding, Huang Yanyan, and Hong Zhen. “Impedance Cardiographic Hemodynamic Variables and Hypertension in Elderly Han Residents”. Upsala Journal of Medical Sciences 118, no. 2 (January 11, 2013). Accessed March 25, 2026. https://ujms.net/index.php/ujms/article/view/5915.