@inbook{1184195485, author={Nader N. Massarweh and Amy H. Kaji and Kamal M. F. Itani}, editor={Livingston, Edward H. and Lewis, Roger J.}, title={Practical Guide to Surgical Data Sets: Veterans Affairs Surgical Quality Improvement Program (VASQIP)}, booktitle={JAMA Guide to Statistics and Methods}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2019}, url={jamaevidence.mhmedical.com/content.aspx?aid=1184195485} }