 CRD also undertake methods research and produce internationally accepted guidelines for undertaking systematic reviews.The Centre's role in developing research evidence to support decision making in policy and practice was highlighted in the Cooksey report on UK health research funding and subsequently in the Government national research strategy Best Research for Best Health.CRD was also recognised by the Lancet as part of NHS R&D's most important contribution to the UK science base, namely building systematic review capacity and promulgating systematic reviews as a global public good.