Demand for Home Care Services in the Elderly in the Community:a Structural Study 
DAI Lili,DUAN Yanqin,ZHANG Mei,CHEN Juan,SUN Yuling,LI Zhuoran,HE Sifang
Chinese General Practice . 2021, (25): 3238 -3243 .  DOI: 10.12114/j.issn.1007-9572.2021.00.226