McDonald, K and Maghsoudi, N and Thompson, H and Werb, Dan (2020) What’s in Toronto’s drug supply? Results from samples checked by Toronto’s drug checking service October 10, 2019 - March 31, 2020. Toronto: Centre on Drug Policy Evaluation.

McDonald, K and Thompson, H and Werb, D (2023) 10 key findings related to the impact of Toronto’s drug checking service. Toronto: Centre on Drug Policy Evaluation.