Frailty-related Factors and Degree of Association of Frailty with Malnutrition in Elderly Inpatients 
WANG Wanwan,LI Yuanyuan,SHI Xiaotian,MA Qing
Chinese General Practice . 2021, (6): 678 -684 .  DOI: 10.12114/j.issn.1007-9572.2020.00.594