@inbook{1108428151, author={Lewis S. Nelson and Dean Olsen}, editor={Hoffman, Robert S. and Howland, Mary Ann and Lewin, Neal A. and Nelson, Lewis S. and Goldfrank, Lewis R.}, title={Opioids}, booktitle={Goldfrank's Toxicologic Emergencies, 10e}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2015}, url={accesspharmacy.mhmedical.com/content.aspx?aid=1108428151} }