Comparisons within randomised groups can be very misleading.
作者信息
Bland J Martin, Altman Douglas G
机构信息
Department of Health Sciences, University of York, York YO10 5DD.
出版信息
BMJ. 2011 May 6;342:d561. doi: 10.1136/bmj.d561.
DOI:10.1136/bmj.d561
PMID:21551184
Abstract
摘要
Zotero 插件