5De-Jing FENG,Yun-Qing YE,Zhe LI,Bin ZHANG,Qing-Rong LIU,Wei-Wei WANG,Zhen-Yan ZHAO,Zheng ZHOU,Qing-Hao ZHAO,Zi-Kai YU,Hai-Tong ZHANG,Zhen-Ya DUAN,Bin-Cheng WANG,Jun-Xing LV,Shuai GUO,Run-Lin GAO,Hai-Yan XU,Yong-Jian WU,on behalf of the China-DVD and China-VHD study investigators.Development and validation of a score predicting mortality for older patients with mitral regurgitation[J].Journal of Geriatric Cardiology,2023,20(8):577-585.