Research & Education JFS Articles AAFS Connect Conference Proceedings Reference Series Library International Educational Outreach Program Drug Overdose Fatality Due to an Herbal Blend Containing Mitragynine and O-Desmethyltramadol Presenting section: Toxicology 2012 Magoon, Vinita, Georgetown TX; Hall, Brad J., Austin TX; Willoughby, Vickie, Austin TX View the paper Toxicology