Methods Both sib-pairs and random case-control designs were used.
方法采用同胞对和随机病例-对照两种实验设计。
The minimization method is a dynamic randomized algorithm, and applied to make random case distribution in clinical research.
最小化法是一种动态随机算法，用于在临床研究中进行病例随机分配。
The minimization method is a dynamic randomized algorithm, and applied to make random case distribution in clinical research.
最小化法是一种动态随机算法，用于在临床研究中进行病例随机分配。
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