Re: Should meta-analyses of interventions include observational studies in addition to randomized controlled trials? A critical examination of underlying principles.
作者信息
Pereira Carlos, Castilho Euclides
出版信息
Am J Epidemiol. 2009 Mar 15;169(6):783; author reply 783-4. doi: 10.1093/aje/kwp016. Epub 2009 Feb 10.
PMID:19208724
Abstract
摘要
Zotero 插件