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历史性队列研究
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历史性队列研究
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医学
历史性队列研究
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historical cohort study
历史性队列研究
研究开始时,待研究的结局已出现,根据研究者已掌握的在过去某时点(时期)进入队列时是否有暴露(如是否吸烟)或研究时间段内暴露的多少(如从进入队列到发病前累计的吸烟量)等相关资料进行研究对象分组的研究。又称回顾性队列研究、非即时性队列研究。
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agricultural warehouse
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Agriculture and industrialization
agriculture as the foundation of the national economy
agriculture census
agriculture commune
agriculture company supply chain management
agriculture economic history of Ancient Egypt
agriculture economic history of Ancient Greece
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