Spatial, temporal, and space-time clusters associated with opioid and cannabis poisoning events in U.S. dogs (2005–2014) Posted on May 2, 2022May 2, 2022 By Becky Carter Mohammad Howard-AzzehID, David L. Pearl, Olaf Berke, Terri L. O’Sullivan PLoS ONE; 17(4); 2022 Access article Biology, Chemistry, Forensic Pathology and Medicolegal Death Investigation, Toxicology, Wildlife