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

单词	ambispective cohort study
释义	ambispective cohort study Encyclopedia 医学双向性队列研究释 ambispective cohort study双向性队列研究在历史性队列研究的基础上，继续前瞻性的观察一段时间，以达到暴露产生预期结局的时间，获得足够的结局事件，或在研究开始时获得短期效应后再研究长期作用效应的方法。又称混合型队列研究。
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