国内外老年人长期照护研究热点的共词聚类分析
谢铃莉,季雨楠,李晨阳,侯振华,刘彦慧
Research Hotspots of Long-term Care for the Elderly in China and Abroad:a Co-word Cluster Analysis 
XIE Lingli,JI Yunan,LI Chenyang,HOU Zhenhua,LIU Yanhui
中国全科医学 . 2019, (9): 1119 -1124 .  DOI: 10.12114/j.issn.1007-9572.2018.00.446