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urn design
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urn design
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临床试验的自适应性设计
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urn design
瓮子模型设计
在临床试验中为把病人分配到不同的治疗组中,通常需要采取随机化方法,通过从一个瓮子中随机抽取球来分配病人的随机化方法。
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