@inbook{55904999, author={Manoj Karmakar and Catherine Vandepitte}, editor={Hadzic, Admir}, title={Chapter 43. Introduction}, booktitle={Hadzic's Peripheral Nerve Blocks and Anatomy for Ultrasound-Guided Regional Anesthesia, 2e}, publisher={The McGraw-Hill Companies}, address={New York, NY}, year={2012}, url={accessanesthesiology.mhmedical.com/content.aspx?aid=55904999} }