“historical cohort study”的概念、定义、翻译、参考文献-科学参考

单词	historical cohort study
释义	historical cohort study Encyclopedia 医学历史性队列研究释 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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