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Discussions on sample size in clinical experiments
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- Author:
- No author available
- Journal Title:
- WORLD CHINESE JOURNAL OF DIGESTOLOGY
- Issue:
- 14
- DOI:
- 10.3969/j.issn.1009-3079.2006.14.001
- Key Word:
- 临床试验;样本数;样本量;效应大小
Abstract： 本讨论了我国有关部门关于临床试验样本量规定中的2个问题,提出下列看法和理解:对Ⅰ-Ⅲ期临床试验的样本量应该规定上、下限,Ⅳ期临床试验的样本量可不加限定.
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