Merkow Ryan P, Schwartz Todd A, Nathens Avery B
Surgical Outcomes and Quality Improvement Center, Department of Surgery, Feinberg School of Medicine, Northwestern University, Chicago, Illinois.
Department of Biostatistics, University of North Carolina at Chapel Hill, Chapel Hill.
JAMA Surg. 2020 Apr 1;155(4):349-350. doi: 10.1001/jamasurg.2019.4395.