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Freeman, Tom P and Craft, Sam and Wilson, Jack and Stylianou, Stephan and ElSohly, Mahmoud and Di Forti, Marta and Lynskey, Michael T (2021) Changes in delta-9-tetrahydrocannabinol (THC) and cannabidiol (CBD) concentrations in cannabis over time: systematic review and meta-analysis. Addiction, 116, (5), pp. 1000-1010. doi: 10.1111/add.15253.
Spindle, Tory R and Sholler, Dennis J and Cone, Edward J and Murphy, Timothy P and ElSohly, Mahmoud and Winecker, Ruth E and Flegel, Ronald R and Bonn-Miller, Marcel O and Vandrey, Ryan (2022) Cannabinoid content and label accuracy of hemp-derived topical products available online and at national retail stores. JAMA Network Open, 5, (7), e2223019. doi: 10.1001/jamanetworkopen.2022.23019.