@inbook{1156634264, author={Kevin M. Guskiewicz and Johna Register-Mihalik}, editor={Gorse, Keith M. and Blanc, Robert O. and Feld, Francis and Radelet, Matthew}, title={Head Injuries}, booktitle={Emergency Care in Athletic Training}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2010}, url={fadavispt.mhmedical.com/content.aspx?aid=1156634264} }