Comparative Effectiveness Research QueriesSpecialized searches of published research - PubMed - and research still in progress - HSRProj, and ClinicalTrials.gov - to help inform investigations of comparative effectiveness. See the description below the search boxes for more information about this project.
Grant MJ, Booth A. A typology of reviews: an analysis of 14 review types and associated methodologies. Health Info Libr J. 2009 Jun;26(2):91-108. doi:10.1111/j.1471-1842.2009.00848.x.
Part of the U.S Department of Health and Human Services, the CDC works to prevent and control disease, injury, and disability. This searchable site is rich in information and colorfully illustrated. Information is also available in Spanish.