Research evidence about governance, financial and delivery arrangements within health systems, and about implementation strategies that can support change in health systems. Endorsed by WHO as a key resource for research evidence about health systems.
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Reporting guidelines for observational epidemiology studies.
Also check out the STROBE extensions, which include additional guidance for particular types of epidemiology studies, such as nutrition or pharmacoepidemiology.
Reporting guidelines for reporting parallel group randomized trials.
Also check out the extensions for particular types of randomized trials, including ones involving social and psychological interventions.
PRISMA is an evidence-based minimum set of items for reporting in systematic reviews and meta-analyses. PRISMA focuses on the reporting of reviews evaluating randomized trials, but can also be used as a basis for reporting systematic reviews of other types of research, particularly evaluations of interventions.