【作者(必填)】Peng R, Wu B, Ling L

【文题(必填)】Undermet needs for assistance in personal activities of daily living among community-dwelling oldest old in China from 2005 to 2008
【年份(必填)】2014

【全文链接或数据库名称(选填)】http://www.ncbi.nlm.nih.gov/pubmed/25651555?dopt=Abstract