title: The Agency for Healthcare Research and Quality (AHRQ) effective health care (EHC) program methods guide for comparative effectiveness reviews: keeping up-to-date in a rapidly evolving field.
authors.affiliation: AHRQ Center for Outcomes and Evidence, Rockville, MD 20850, USA. Stephanie.chang@ahrq.gov
authors.forename: Stephanie M
authors.initials: SM
authors.lastname: Chang
mesh_terms: D057186:Comparative Effectiveness Research / Q000379:methods*; D017408:Guidelines as Topic; D006801:Humans; D017063:Outcome Assessment, Health Care / Q000379:methods; D012196:Review Literature as Topic; D014481:United States; D016270:United States Agency for Healthcare Research and Quality