@inbook{56639538,
author={Brian C. Spence and Michelle C. Parra},
editor={Longnecker, David E. and Brown, David L. and Newman, Mark F. and Zapol, Warren M.},
title={Chapter 49. Peripheral Nerve Blocks},
booktitle={Anesthesiology, 2e},
publisher={The McGraw-Hill Companies},
address={New York, NY},
year={2012},
url={accessanesthesiology.mhmedical.com/content.aspx?aid=56639538}
}