Systematic reviews don't last for everBMJ 2007; 335 doi: https://doi.org/10.1136/bmj.39282.632813.80 (Published 26 July 2007) Cite this as: BMJ 2007;335:178
Systematic reviews and meta-analyses are powerful tools for informing clinical decisions. But they soon begin to show their age. Researchers recently estimated that about a quarter of reviews (23%, 95% CI 15% to 33%) need updating within two years of publication, and …
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