@inbook{3500458, author={James P. Rathmell, MD and Geoffrey J. Pollack, MD}, editor={Hadzic, Admir}, title={Chapter 18. Nerve Blocks for the Head & Neck}, booktitle={NYSORA Textbook of Regional Anesthesia and Acute Pain Management}, publisher={The McGraw-Hill Companies}, address={New York, NY}, year={2007}, url={accessanesthesiology.mhmedical.com/content.aspx?aid=3500458} }