@inbook{57263010, author={Lucie Beylacq, MD}, editor={Atchabahian, Arthur and Gupta, Ruchir}, title={Chapter 155. Superficial Blocks of the Face}, booktitle={The Anesthesia Guide}, publisher={The McGraw-Hill Companies}, address={New York, NY}, year={2013}, url={accessanesthesiology.mhmedical.com/content.aspx?aid=57263010} }