Koffel Erin, McCurry Susan M, Smith Michael T, Vitiello Michael V
Center for Care Delivery and Outcomes Research, Minneapolis VA Health Care System, Minneapolis, MN, United States.
Department of Psychiatry, University of Minnesota Medical School, Minneapolis, MN, United States.
Pain. 2019 Mar;160(3):529-534. doi: 10.1097/j.pain.0000000000001423.