Systematic Reviews: CRD's Guidance for Undertaking Reviews in Health CareProvides practical guidance for undertaking evidence synthesis based on a thorough understanding of systematic review methodology. It presents the core principles of systematic reviewing, and in complementary chapters, highlights issues that are specific to reviews of clinical tests, public health interventions, adverse effects, and economic evaluations.
EPPI-CentreEvidence for Policy and Practice Information and Co-ordinating Centre.
The Campbell CollaborationCampbell systematic reviews follow structured guidelines and standards for summarising the international research evidence on the effects of interventions in the subject areas of; business & management, crime & justice, disability, education, international development, and social welfare
Collaboration for Environmental Evidencecontains (evidence) maps and Systematic Reviews on the effectiveness of human interventions in environmental management and the environmental impacts of human activities. Researchers can register their environmental sector systematic review/meta analyses protocol in PROCEED