自由才谨慎 发表于 2025-3-21 16:32:02

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情感 发表于 2025-3-21 21:22:46

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镶嵌细工 发表于 2025-3-22 00:38:11

Roots and Future of Epidemiologyh. We unravel what we see as the main historical threads relevant to the development of current health research methods involving human subjects, giving attention to the ethical, scientific-theoretical, and practical aspects. Roots of epidemiological concepts and methods go back a long time, to befo

预测 发表于 2025-3-22 05:45:48

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bisphosphonate 发表于 2025-3-22 10:25:34

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仔细阅读 发表于 2025-3-22 14:46:58

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仔细阅读 发表于 2025-3-22 19:28:20

Study Size Planningctor in demonstrating that a study will be informative is .. If a study has a sub-optimal number of subjects, it may be under-powered to detect statistical significance even in the presence of a true effect, or estimates produced by the study may lack useful precision. On the other hand, if a study

来这真柔软 发表于 2025-3-22 22:43:18

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transdermal 发表于 2025-3-23 02:17:52

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barium-study 发表于 2025-3-23 07:43:21

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查看完整版本: Titlebook: Epidemiology: Principles and Practical Guidelines; Jan Van den Broeck,Jonathan R Brestoff Book 2013 Springer Science+Business Media Dordre