This User’s Guide is a resource for investigators and stakeholders who develop and review observational comparative effectiveness research protocols. It expla

The Observational CER User's Guide serves as a resource for investigators and stakeholders when designing observational comparative effectiveness research (CER)

This User’s Guide is intended to support the design, implementation, analysis, interpretation, and quality evaluation of registries created to increase unders

Healthcare decision makers in search of reliable information that compares health interventions increasingly turn to systematic reviews for the best summary of

This classic, field-defining textbook, now in its sixth edition, provides the most comprehensive guidance available for anyone needing up-to-date information in