1. National Institute of Health, US National Library of Medicine. ClinicalTrials.gov.
2. The Health Effects of Cannabis and Cannabinoids: The Current State of Evidence and Recommendations for Research,2017
3. The absolute configuration of delta-1-tetrahydrocannabinol, the major active constituent of hashish;Mechoulam;Tetrahedron Lett,1967
4. Isolation and structure of a brain constituent that binds to the cannabinoid receptor;Devane;Science,1992
5. Advances in the Field of Cannabinoid–Opioid Crosstalk;Robledo;Addict Biol,2008