@inbook{1184195453, author={Andrew J. Schoenfeld and Amy H. Kaji and Adil H. Haider}, editor={Livingston, Edward H. and Lewis, Roger J.}, title={Practical Guide to Surgical Data Sets: Military Health System Tricare Encounter Data}, booktitle={JAMA Guide to Statistics and Methods}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2019}, url={jamaevidence.mhmedical.com/content.aspx?aid=1184195453} }