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Lost in the woods: Finding our way back to the scientific method in systematic review

Authors: Heather N. Lynch, Kenneth A. Mundt, Dirk Pallapies, Paolo F. Ricci 

Systematic review has become the preferred approach to addressing causality and informing regulatory and other decision-making processes, including chemical risk assessments. This review provides a brief summary of the development of systematic review methods and some of the frameworks currently in use in the US and Europe. Despite the array of available systematic review methods, it is clear that there is a shared goal and desire to promote objective assessment and synthesis of scientific evidence informing globally important issues regarding disease causality and human health risk evaluation.