Coulaud PJ, Chayama KL, Schwartz C, Purdie A, Lysyshyn M, Ti L, Knight R Implementation opportunities and challenges to piloting a community-based drug-checking intervention for sexual and gender minority men in Vancouver, Canada: a qualitative study Harm Reduct J PubMed

Kennedy MC, Tobias S, Dong H, Buxton JA, Lysyshyn M, Tupper KW, Ti L Author reply to letter to the editor in response to "Fentanyl concentration in drug checking samples and risk of overdose death in Vancouver, Canada" Am J Prev Med PubMed

Kennedy MC, Dong H, Tobias S, Buxton J, Lysyshyn M, Tupper K, Ti L Fentanyl concentration in drug checking samples and risk of overdose death in Vancouver, Canada Am J Prev Med PubMed

Tobias S, Ferguson M, Palis H, Burmeister C, McDougall J, Liu L, Graham B, Ti L, Buxton JA Motivators of and barriers to drug checking engagement in British Columbia, Canada: findings from a cross-sectional study Int J Drug Policy PubMed

Bhuiyan I, Tobias S, Ti L Responding to changes in the unregulated drug supply: the need for a dynamic approach to drug checking technologies Am J Drug Alcohol Abuse PubMed