这个词是什么意思？
The qualitative or quantitative estimation of the likelihood of adverse effects that may result from exposure to specified health hazards or from the absence of beneficial influences. (Last, Dictionary of Epidemiology, 1988)
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D018570 · MeSH 2026。
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