Moher, DavidStewart, LesleyShekelle, Paul2015-12-182015-12-182013-08-06Systematic Reviews. 2013 Aug 06;2(1):61http://dx.doi.org/10.1186/2046-4053-2-61http://hdl.handle.net/10393/34007Happy birthday: we are one year old2015-12-18enMoher et al.; licensee BioMed Central Ltd.