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Doggett, Amanda and Belisario, Kyla L and McDonald, André J and Gohari, Mahmood and Leatherdale, Scott T and Murphy, James G and MacKillop, James (2024) Evaluating the impact of Canadian cannabis legalization on cannabis use outcomes in emerging adults: Comparisons to a US control sample via a natural experiment. International Journal of Drug Policy, 136, 104686. https://doi.org/10.1016/j.drugpo.2024.104686.

McDonald, André J and Cooper, Alysha and Doggett, Amanda and Halladay, Jillian and Belisario, Kyla and MacKillop, James (2025) Association of recreational cannabis legalization with changes in medical, illegal, and total cannabis expenditures in Canada. International Journal of Drug Policy, 139, 104793. https://doi.org/10.1016/j.drugpo.2025.104793.

McDonald, André J and Kurdyak, Paul and Rehm, Jürgen and Roerecke, Michael and Bondy, Susan J (2024) Age-dependent association of cannabis use with risk of psychotic disorder. Psychological Medicine, 54, (11), pp. 2926-2936. https://doi.org/10.1017/s0033291724000990.

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