Liu Yan, Wang Xiao-Ming, Xue Ming-Tao, Li Hong, Jia Xin, Ning Xiao-Xuan
Department of Geriatrics, Xijing Hospital, Fourth Military Medical University, Shaanxi, China.
J Geriatr Cardiol. 2020 Dec 28;17(12):787-789. doi: 10.11909/j.issn.1671-5411.2020.12.009.