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  • 踏歌苦行
    踏歌苦行  回复了帖子 请教 a population-based study 859天前
    population based means that data about a particular condition or disease under study is representative of and extractable to the entire population in whice it was studied because all case occur in the population are included.以上解释来源于Handbook of Disease Burdens and Quality of Life Measures。 pp 4290-4290

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