@inbook{3419510, author={Steven Macres and Steven Richeimer and Paul Duran}, editor={Warfield, Carol A. and Bajwa, Zahid H.}, title={Chapter 62. Adjuvant Analgesics}, booktitle={Principles & Practice of Pain Medicine, 2e}, publisher={The McGraw-Hill Companies}, address={New York, NY}, year={2004}, url={accessanesthesiology.mhmedical.com/content.aspx?aid=3419510} }