Williams Brian A, Podnar Shirley M, Bonant Samantha A, Schanck Allison M
Anesthesia Service, Surgical Service Line, Veterans Affairs Pittsburgh Healthcare System, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.
Veterans Affairs Pittsburgh Healthcare System and Veterans Research Foundation of Pittsburgh, Pittsburgh, Pennsylvania, USA.
Pain Med. 2017 Apr 1;18(4):781-785. doi: 10.1093/pm/pnw282.