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Numbers needed to treat derived from meta-analysis

BMJ 1999; 319 doi: https://doi.org/10.1136/bmj.319.7218.1199a (Published 30 October 1999) Cite this as: BMJ 1999;319:1199

Article usage

Article metrics provide readers and authors with an indication of how often a specific article has been accessed month by month. It counts three formats - abstract/extract, full text and pdf. The page is updated each day.

Usage statistics: July 2003 to October 2019

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