@inbook{1108258506, author={Kathryn L. Butler and Mukesh Harisinghani}, title={Preface}, booktitle={Acute Care Surgery: Imaging Essentials for Rapid Diagnosis}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2015}, url={accesssurgery.mhmedical.com/content.aspx?aid=1108258506} }