Is expected substance type associated with timing of drug checking service utilization?: A cross-sectional study by Tara Beaulieu, Evan Wood, Samuel Tobias, Mark Lysyshyn, Priya Patel, Jennifer Matthews, Lianping Ti

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What impact did the COVID-19 pandemic have on the variability of fentanyl concentrations in the Vancouver, Canada illicit drug supply? An interrupted time-series analysis by Lianping Ti, Richard Laing, Samuel Tobias, Cameron J Grant, Mark Lysyshyn, Kenneth W Tupper

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Associations with experience of non-fatal opioid overdose in British Columbia, Canada: a repeated cross sectional survey study by Max Ferguson, Paul Choisil, Jessica Lamb, Charlene Burmeister, Cheri Newman, Kurt Lock, Samuel Tobias, Lisa Liu, Jane A. Buxton

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Factors associated with obtaining prescribed safer supply among people accessing harm reduction services: findings from a cross-sectional survey by Heather Palis, Beth Haywood, Jenny McDougall, Chloé G. Xavier, Roshni Desai, Samuel Tobias, Heather Burgess, Max Ferguson, Lisa Liu, Brooke Kinniburgh, Amanda K. Slaunwhite, Alexis Crabtree, Jane A. Buxton

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