ISSN 1004-6879

CN 13-1154/R

　
Journal of Chengde Medical University
国内外城市老年人养老需求的研究现状 *
王妍, 安文忠, 单伟超, 杨佳琦, 王颖, 单伟颖
Journal of Chengde Medical University . 2018, (6): 529 -531 . 

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