@inbook{57252418,
author={Matthew Dobbs and Cami Pfennig and Doris Tyson and Cari Buckingham},
editor={Block, Jake and Jordanov, Martin I. and Stack, Lawrence B. and Thurman, R. Jason},
title={Chapter 2. Atraumatic Conditions of the Head and Face},
booktitle={The Atlas of Emergency Radiology},
publisher={The McGraw-Hill Companies},
address={New York, NY},
year={2013},
url={accessemergencymedicine.mhmedical.com/content.aspx?aid=57252418}
}