How Quickly Do Systematic Reviews Go Out of Date? A Survival Analysis

Appendix Figure 1. R = reason; RCT = randomized, controlled trial.
Appendix Figure 1. R = reason; RCT = randomized, controlled trial. Screening of potential systematic reviews for inclusion in cohort.

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  1. Published Ahead of Print July 16, 2007, Ann Intern Med August 21, 2007 vol. 147 no. 4 224-233
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