@inbook{126867, author={David T. Schwartz}, title={Chapter VII-1. Facial Fractures: Tripod and Blowout Fractures}, booktitle={Emergency Radiology: Case Studies}, publisher={The McGraw-Hill Companies}, address={New York, NY}, year={2008}, url={accessemergencymedicine.mhmedical.com/content.aspx?aid=126867} }