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ambispective cohort study
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ambispective cohort study
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医学
双向性队列研究
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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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