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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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bounded
bounded above
bounded above complex
bounded above filtration
bounded above operator
bounded above sequence
bounded above set
bounded approximation
bounded approximation property
bounded arithmetic
bounded basis
bounded below
bounded below complex
bounded below filtration
bounded below operator
bounded below sequence
bounded below set
bounded bilinear form
bounded body
bounded chain
bounded characteristic
bounded closed set
bounded closure
bounded cohomology
bounded complete statistic
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