这个词是什么意思？
Works about clinical trials that involve at least one test treatment and one control treatment, concurrent enrollment and follow-up of the test- and control-treated groups, and in which the treatments to be administered are selected by a random process, such as the use of a random-numbers table.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D016032 · MeSH 2026。
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