@inbook{1119643900, author={Randa Hilal-Dandan and Laurence L. Brunton}, title={Opioides, analgesia y tratamiento del dolor}, booktitle={Goodman & Gilman. Manual de farmacología y terapéutica, 2e}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2015}, url={accessmedicina.mhmedical.com/content.aspx?aid=1119643900} }