@inbook{1176466482, author={Mark A. Schumacher and Allan I. Basbaum and Ramana K. Naidu}, editor={Katzung, Bertram G. and Vanderah, Todd W.}, title={Opioid Agonists & Antagonists}, booktitle={Basic & Clinical Pharmacology, 15e}, publisher={McGraw-Hill}, address={New York, NY}, year={2021}, url={accesspharmacy.mhmedical.com/content.aspx?aid=1176466482} }