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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.

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Hindocha, Chandni and Quattrone, Diego and Freeman, Tom P and Murray, Robin M and Mondelli, Valeria and Breen, Gerome and Curtis, Charles and Morgan, Celia J A and Valerie Curran, H and Di Forti, Marta (2020) Do AKT1, COMT and FAAH influence reports of acute cannabis intoxication experiences in patients with first episode psychosis, controls and young adult cannabis users? Translational Psychiatry , 10 , (1) , p. 143.

Lorenzetti, Valentina and Hindocha, Chandni and Petrilli, Kat and Griffiths, Paul and Brown, Jamie and Castillo-Carniglia, Álvaro and Caulkins, Jonathan P and Englund, Amir and ElSohly, Mahmoud A and Gage, Suzanne H and Groshkova, Teodora and Gual, Antoni and Hammond, David and Lawn, Will and López-Pelayo, Hugo and Manthey, Jakob and Mokrysz, Claire and Liccardo Pacula, Rosalie and van Laar, Margriet and Vandrey, Ryan and Wadsworth, Elle and Winstock, Adam and Hall, Wayne and Curran, H Valerie and Freeman, Tom P (2022) The iCannToolkit: a tool to embrace measurement of medicinal and non-medicinal cannabis use across licit, illicit and cross-cultural settings. Addiction , 117 , (6) , pp. 1523-1525.

Freeman, Tom P and Groshkova, Teodora and Cunningham, Andrew and Sedefov, Roumen and Griffiths, Paul and Lynskey, Michael T (2019) Increasing potency and price of cannabis in Europe, 2006‐2016. Addiction , 114 , (6) .

Lorenzetti, Valentina and Hindocha, Chandni and Petrilli, Kat and Griffiths, Paul and Brown, Jamie and Castillo-Carniglia, Álvaro and Caulkins, Jonathan P and Englund, Amir and ElSohly, Mahmoud A and Gage, Suzanne H and Groshkova, Teodora and Gual, Antoni and Hammond, David and Lawn, Will and López-Pelayo, Hugo and Manthey, Jakob and Mokrysz, Claire and Pacula, Rosalie Liccardo and van Laar, Margriet and Vandrey, Ryan and Wadsworth, Elle and Winstock, Adam and Hall, Wayne and Curran, H Valerie and Freeman, Tom P (2022) The International Cannabis Toolkit (iCannToolkit): a multidisciplinary expert consensus on minimum standards for measuring cannabis use. Addiction , 117 , (6) , pp. 1510-1517.

Freeman, Tom P and Hindocha, Chandni and Green, Sebastian F and Bloomfield, Michael AP (2019) Medicinal use of cannabis based products and cannabinoids. BMJ (Clinical Research ed.) , 365 , l1141.

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Hindocha, Chandni and Freeman, Tom P and Ferris, Jason and Lynskey, Michael T and Winstock, Adam (2016) No smoke without tobacco: a global overview of cannabis and tobacco routes of administration and their association with intention to quit. Frontiers in Psychiatry , 7 , (104) .

Manthey, Jakob and Freeman, Tom P and Kilian, Carolin and López-Pelayo, Hugo and Rehm, Jürgen (2021) Public health monitoring of cannabis use in Europe: prevalence of use, cannabis potency, and treatment rates. The Lancet Regional Health - Europe , 10 , (100227) .

Craft, Sam and Dunn, Michael and Vidler, Dan and Officer, Jane and Blagbrough, Ian S and Pudney, Christopher R and Henderson, Graeme and Abouzeid, Ahmed and Dargan, Paul I and Eddleston, Michael and Cooper, Jamie and Hill, Simon L and Roper, Clair and Freeman, Tom P and Thomas, Simon H L (2022) Trends in hospital presentations following analytically confirmed synthetic cannabinoid receptor agonist exposure before and after implementation of the 2016 UK Psychoactive Substances Act. Addiction , Early online .

Wilson, Jack and Mills, Katherine and Freeman, Tom P and Sunderland, Matthew and Visontay, Rachel and Marel, Christina (2022) Weeding out the truth: a systematic review and meta-analysis on the transition from cannabis use to opioid use and opioid use disorders, abuse or dependence. Addiction , 17 , (10) , pp. 284-298.