Systematic Reviews, Updating Topic page summarizing technical review on updating systematic reviews. This outdated information has been archived and is available for reference purposes only. To access the archived document, please go to: http://archive.ahrq.gov/clinic/epcarch.htm. Current as of August 2012 Internet Citation: Systematic Reviews, Updating. August 2012. Agency for Healthcare Research and Quality, Rockville, MD. http://www.ahrq.gov/redirects/sysrev.html