食料
发表于 2025-3-26 22:31:06
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带来
发表于 2025-3-27 03:01:35
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吹牛需要艺术
发表于 2025-3-27 06:17:12
Slawomir Nasuto,Mark BishopMathematics for the period 1993-2003, and has served on the editorial board of various international journals. He is the founding director of the Pacific Instit978-1-4419-2744-6978-0-387-84897-6Series ISSN 1439-7382 Series E-ISSN 2196-9922
删减
发表于 2025-3-27 10:42:52
Obstacles in evaluating small effects,or example, to be able to demonstrate a relative risk of 5 in the context of a case-control study in which the prevalence of exposure is about five per cent, only seventy cases and seventy controls are needed. On the other hand, if the relative risk one is interested in is 1.1, about 35,000 cases an
surrogate
发表于 2025-3-27 17:03:56
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AWE
发表于 2025-3-27 18:26:15
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