@inbook{1134007732, author={Tony L. Yaksh and Mark S. Wallace}, editor={Brunton, Laurence L. and Chabner, Bruce A. and Knollmann, Björn C.}, title={Opioides, analgesia y tratamiento del dolor}, booktitle={Goodman & Gilman: Las bases farmacológicas de la terapéutica, 12e}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2017}, url={accessmedicina.mhmedical.com/content.aspx?aid=1134007732} }