Shekelle, P. G. (2011). Identifying signals for updating systematic reviews: A comparison of two methods. Rockville, MD: Agency for Healthcare Research and Quality.
Chicago Style CitationShekelle, Paul G. Identifying Signals for Updating Systematic Reviews: A Comparison of Two Methods. Rockville, MD: Agency for Healthcare Research and Quality, 2011.
MLA CitationShekelle, Paul G. Identifying Signals for Updating Systematic Reviews: A Comparison of Two Methods. Rockville, MD: Agency for Healthcare Research and Quality, 2011.