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日期:2025-06-12
Emerg Med J 2003;20:54–60. Cohort, cross sectional, and case-control studies are collectively referred to as observational studies. Often these studies are the ......
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日期:2025-06-15
開始念醫學期刊時,看到一堆的retrospective,case-control,cohort study..., 反正一 中原則:看不懂就跳過下面這張是非常非常非常重要的概念,就是知道什麼是&qu....