Evans Dijon, Sacramento, CA.

Kim DeMott, Sacramento, CA

Katherine Pfaff, DEA spokesperson

Christopher R. McCurdy, PhD, College of Pharmacy, University of Florida, Gainesville.

Walter C. Prozialeck, PhD, Professor of Pharmacology and Pharmaceutical Sciences, Midwestern University, Downers Grove, IL.

Scott Gottlieb, MD, Commissioner of the FDA.

Twitter: @SGottliebFDA, August 17, 2018.

Petition.whitehouse.gov: "Please, do not make Kratom a substance of Schedule I."

New England Medical Journal: "Deaths in Colorado are attributed to Kratom".

Addiction to Drugs and Alcohol: "Trends in Kratom Use and Health Impact in the United States – Results of an Online Survey".

Biology of drug addiction: "Kratom: what is the verdict?

Forensic Science, Medicine and Pathology: "Fatal Combination of Mitragynine and Quetiapine – A Case Report with a Discussion on a Potential Drug-Drug Interaction."

Journal of Psychoactive Drugs: "Long-term cognitive effects of the use of Kratom (Mitragyna speciosa Korth.)".

Journal of Psychoactive Drugs: "Removing Kratom: A systematic review with case series".

Addiction to drugs and alcohol: "Kratom consumption and mental health: a systematic review".

Journal of Medicinal Chemistry: "Mitragynine / Corynantheidin Pseudoindoxyls As Opioid Analgesics With Mu Agonism And Delta Antagonism, Which Do Not Recruit β-Arrestin-2."

The Journal of the American Association of Osteopaths: "The Pharmacology of Kratom: An Emerging Botanical Agent with Stimulant, Analgesic and Opioid-like Effects".

CDC Weekly Report on Morbidity and Mortality, July 29, 2016: "Field Notes: Exposures to Kratom (Mitragyna speciosa) Reported to Poison Centers – United States, 2010-2015. Multi-state outbreak of Salmonella infections related to Kratom (final update). "

National Institute to Combat Drug Abuse: "What is kratom?"

US Drug Enforcement Administration: "Drugs of Abuse: A DEA Resource Guide", "DEA Announces Intent to Create a Kratom Program", "Drugs of Concern".

Spokesperson for the US Department of Health and Social Services.

Huffington Post: "Congress calls on DEA to take unilateral action to expand the war on drugs."

Federal Register: "Withdrawal of the notice of intent to temporarily place mitragynine and 7-hydroxymitragynine in Schedule I."

American Kratom Association: Press Release, "AKA Policy Report, December 2018", "DEA Acting Petition to the Administrator, Dhillon", "AKA Good Manufacturing Practices (GMP) Standards Program" .

Botanical Education Alliance: "Scientific Letter on Kratom, February 8, 2018", "Legality Map of Kratom".

New England Medical Journal: "Deaths in Colorado are attributed to Kratom".