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Abstract

Tips and Tricks for understanding and using SR results in Evidence-Based Child Health is aimed at helping to understand the results of systematic reviews and to use the results in clinical practice. This time we focus on the concepts of meta-analysis and heterogeneity. The information in this article is based on earlier papers, The Cochrane Handbook, and the collective experience of the authors in teaching evidence-based medicine1–5. Copyright © 2010 The Cochrane Collaboration. Published by John Wiley & Sons, Ltd. The Cochrane Collaboration