Tobias S, Grant C, Laing R, Arredondo J, Lysyshyn M, Buxton J, Tupper K, Wood E, Ti L Time-series analysis of fentanyl concentration in the unregulated opioid drug supply in a Canadian setting Am J Epidemiol PubMed

Patel P, Guzman S, Lysyshyn M, Buxton J, Kuo M, Tobias S, Matthews J, Arredondo J, Ti L Identifying cocaine adulteration in the unregulated drug supply in British Columbia, Canada Can J Addict Link

McCrae K, Wood E, Lysyshyn M, Tobias S, Wilson D, Arredondo J, Ti L The utility of visual appearance in predicting the composition of street opioids Subst Abus PubMed

Long V, Arredondo J, Ti L, Grant C, DeBeck K, Milloy MJ, Lysyshyn M, Wood E, Kerr T, Hayashi K Factors associated with drug checking service utilization among people who use drugs in a Canadian setting Harm Reduct J PubMed

Ti L, Tobias S, Lysyshyn M, Laing R, Nosova E, Choi J, Arredondo J, McCrae K, Tupper K, Wood E Detecting fentanyl using point-of-care drug checking technologies: a validation study Drug Alcohol Depend PubMed

McCrae K, Tobias S, Tupper K, Arredondo J, Henry B, Mema S, Wood E, Ti L Drug checking services at music festivals and events in a Canadian setting Drug Alcohol Depend PubMed

Bardwell G, Boyd J, Arredondo J, McNeil R, Kerr T Trusting the source: the potential role of drug dealers in reducing drug-related harms via drug checking Drug Alcohol Depend PubMed