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临床研究中缺失数据的分析与处理
【机 构】
:
北京协和医院临床流行病学教研室
【出 处】
:
第十二届中华医学会临床流行病学学术会议暨第六届世界中医药学会联合会临床疗效评价学术交流会
【发表日期】
:
2012年10期
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