Richard Laing

An outbreak of novel psychoactive substance benzodiazepines in the unregulated drug supply: Preliminary results from a community drug checking program using point-of-care and confirmatory methods

Matthew K. Laing, Lianping Ti, Allison Marmel et al. · International Journal of Drug Policy · 2021 · 118 citations

Substance Abuse, Substance Use, Psychiatry +11

Assessing the limit of detection of Fourier‐transform infrared spectroscopy and immunoassay strips for fentanyl in a real‐world setting

Karen McCrae, Samuel Tobias, Cameron Grant et al. · Drug and Alcohol Review · 2019 · 108 citations

Detecting fentanyl using point-of-care drug checking technologies: A validation study

Lianping Ti, Samuel Tobias, Mark Lysyshyn et al. · Drug and Alcohol Dependence · 2020 · 66 citations

Drug Safety, Medicine, Drug Information System +9

Time-Series Analysis of Fentanyl Concentration in the Unregulated Opioid Drug Supply in a Canadian Setting

Samuel Tobias, Cameron J. Grant, Richard Laing et al. · American Journal of Epidemiology · 2021 · 47 citations

Opioid Epidemic, Substance Use, Fentanyl +25

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

Samuel Tobias, Cameron Grant, Richard Laing et al. · BMJ Public Health · 2023 · 13 citations · Full text