@inbook{1121491913, author={Judith E. Tintinalli and J. Stephan Stapczynski and O. John Ma and Donald M. Yealy and Garth D. Meckler and David M. Cline}, title={Preface}, booktitle={Tintinalli’s Emergency Medicine: A Comprehensive Study Guide, 8e}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2016}, url={accessmedicine.mhmedical.com/content.aspx?aid=1121491913} }