Impact of Gene Expression Profiling Tests on Breast Cancer Outcomes Research This outdated information has been archived and is available for reference purposes only.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 December 2012 Internet Citation: Impact of Gene Expression Profiling Tests on Breast Cancer Outcomes. December 2012. Agency for Healthcare Research and Quality, Rockville, MD. http://www.ahrq.gov/redirects/brcgenetp.html