大样本多中心随机对照临床试验是药品上市后疗效再评价的最佳方法。
The large sample multi-centre randomized controlled trial is the best method of re-evaluation of the effectiveness of new drugs.
大样本多中心随机对照临床试验是药品上市后疗效再评价的最佳方法。
The large sample multi-centre randomized controlled trial is the best method of re-evaluation of the effectiveness of new drugs.
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