AHRQ Prevention and Chronic Care A panel of health care experts evaluates the latest scientific evidence on clinical preventive services. Continue to the Prevention and Chronic Care section. Current as of March 2013 Internet Citation: AHRQ Prevention and Chronic Care. March 2013. Agency for Healthcare Research and Quality, Rockville, MD. http://www.ahrq.gov/redirects/AZRedirects/PrevChronCareRedirect.html