"The Use of Ultrapotent Opioids in Veterinary Medicine," by Carrie Schroeder, DVM, DACVAA, Clinical Assistant Professor of Anesthesia and Pain Management, Department of Surgical Sciences, University of Wisconsin School of Veterinary Medicine, Madison, Wisconsin; and Dominique Keller, DVM, PhD, DACZM, Chief Veterinarian, Los Angeles Zoo, Los Angeles, California. From ASRA News, February 2021. See original article at www.asra.com/asra-news for figures and references. This material is copyrighted.