Ibrahim Said A, Kim Hyunjee, McConnell K John
University of Pennsylvania Perelman School of Medicine, Philadelphia2Center for Health Equity Research and Promotion, Philadelphia VA Medical Center, Philadelphia, Pennsylvania.
Center for Health Systems Effectiveness, Oregon Health and Science University, Portland.
JAMA. 2016 Sep 27;316(12):1258-9. doi: 10.1001/jama.2016.12330.