医学
老年学
老年病科
梅德林
家庭医学
精神科
政治学
法学
出处
期刊:JAMA
[American Medical Association]
日期:2004-06-08
卷期号:291 (22): 2760-2760
被引量:567
标识
DOI:10.1001/jama.291.22.2760
摘要
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