“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。
随便看	contractive semi-group contractive semigroup contractivity contract law Contract Law of the People's Republic of China contract learning contract management of water conservancy project contract management system contract of charter party contract of novation contract of towage by sea contract of transferring land use right by government and by non-government contractor contractor liability insurance contractor logistics support of aircraft equipment contractor safety management system contract postgraduate contract purchase contract record contract research organization contracts for contributions contracts for supply and use of electricity,water,gas or heating contracts for technology contracts for the carriage of goods by sea contracts for the international sale of goods

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