Origin of Adverse Drug Events in US Hospitals, 2011.
Weiss AJ, Elixhauser A, Bae J, Encinosa W. HCUP Statistical Brief #158. Rockville, MD: Agency for Healthcare Research and Quality; September 2013.
This report presents data from the Healthcare Cost and Utilization Project on classes of the medications involved with adverse drug events and whether causes were present at the time of hospital admission.