Pre-publication history
Simpson's paradox and calculation of number needed to treat from meta-analysis
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Correspondence: Christopher J Cates chriscates@email.msn.com
BMC Medical Research Methodology 2002, 2:1 doi:10.1186/1471-2288-2-1
Pre-publication versions of this article and reviewers' reports
| Published | 25 Jan 2002 | ||
| Editor's comment | Editor's comment | 25 Jan 2002 |