Stewart, LesleyMoher, DavidShekelle, Paul2015-12-182015-12-182012-02-09Systematic Reviews. 2012 Feb 09;1(1):7http://dx.doi.org/10.1186/2046-4053-1-7http://hdl.handle.net/10393/33989Abstract Prospective registration of systematic reviews promotes transparency, helps reduce potential for bias and serves to avoid unintended duplication of reviews. Registration offers advantages to many stakeholders in return for modest additional effort from the researchers registering their reviews.2015-12-18enStewart et al; licensee BioMed Central Ltd.