Stephen Brennan, Paul M. Wortman, Fredric M. Wolf, Henry S. Sacks, Jayne Berrier, Dinah Reitman, V. A. Ancona-Berk, Thomas C. Chalmers

Research output: Contribution to journalLetterpeer-review

1 Scopus citations


To the Editor: The article by Sacks et al. in the Feb. 19 issue* breaks important ground in the field of data analysis. Despite the questions the authors raise about the scientific validity of metaanalysis, it is a process that is here to stay, and it is important to have a framework in which to evaluate it. However, I was immediately struck by two points. The first was a certain degree of ambiguity in the title. Do the authors propose that this article is itself a meta-analysis, or an analysis of a meta-analysis (making the report a meta-meta-analysis)? If this…

Original languageEnglish
Pages (from-to)575-577
Number of pages3
JournalNew England Journal of Medicine
Issue number9
StatePublished - 27 Aug 1987


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