Clinical features of frailty syndrome and its association with all-cause mortality in elderly patients undergoing maintenance hemodialysis
Guo Yidan, Zhang Chunxia, Tian Ru, Ye Pengpeng, Luo Yang
Chinese Journal of Nephrology . 2022, (7): 589 -596 .  DOI: 10.3760/cma.j.cn441217-20211208-00084