Brookings Policy Briefs are short and informative analyses on some of the nation's most pressing domestic and foreign policy challenges that bring background and recommendations to policy-makers, journalists and the general public.

The European Observatory on Health Systems and Policies supports and promotes evidence-based health policy-making through comprehensive and rigorous analysis of the dynamics of health care systems in Europe.

The world's most comprehensive, free access point for evidence to support policy makers, stakeholders and researchers interested in how to strengthen or reform health systems or in how to get cost-effective programs, services and drugs to those who need them.

The OECD iLibrary brings the full range of OECD books, papers, and statistics in PDF, WEB and XML formats to online users at universities, governments and think tanks all around the world. Consult it to find, use, and cite OECD information

SUPPORT Summaries are concise summaries of systematic reviews of the effects of health systems interventions (as well as maternal and child health interventions) for low and middle-income countries. They include summary of findings tables prepared using the GRADE framework and assessments of the relevance of the findings for low and middle-income countries.

System for Information on Grey Literature in Europe, is your open access to 700.000 bibliographical references of grey literature (paper) produced in Europe and allows you to export records and locate the documents.

Google Scholar can be used for citation searching and may sometimes be helpful for identifying published reviews and reviews in the grey literature by using advanced features and precise terms (e.g. putting terms like “systematic review” in quotations so that the exact phrase is searched for).