Speed KA, Choi JC, Felicella G, Sedgemore K, Mok WY, Milloy MJ, DeBeck K, Kerr T, Hayashi K Preferred pharmaceutical-grade opioids to reduce the use of unregulated opioids: a cross-sectional analysis among people who use unregulated opioids in Vancouver, Canada Int J Drug Policy PubMed

Sergeant A, Bach P, Lei J, DeBeck K, Milloy MJ, Hayashi K Initiation and/or re-initiation of drug use among people who use drugs in Vancouver, Canada from 2021 to 2022: a prospective cohort study Subst Abuse Treat Prev Policy PubMed

Gallant K, Hayashi K, Choi JC, Milloy MJ, Kerr T Involuntary discharge from drug or alcohol treatment programs in Vancouver, Canada Harm Reduct J PubMed

Hayashi K, Rabu G, Cui Z, Klaire S, Homayra F, Milloy MJ, Nosyk B Characterizing the use of healthcare access supports among people who use drugs in Vancouver, Canada, 2017 to 2020: a cohort study Subst Use Addctn J PubMed

Mitra S, Bouck Z, Larney S, Zolopa C, Høj S, Minoyan N, Upham K, Rammohan I, Mok WY, Hayashi K, Milloy MJ, DeBeck K, Scheim A, Werb D The impact of the COVID-19 pandemic on people who use drugs in three Canadian cities: a cross-sectional analysis Harm Reduct J PubMed

McAdam E, Hayashi K, Cui Z, Anderson H, Nelson S, Milloy MJ, DeBeck K Receipt of COVID-19 emergency funds and engagement in sex work during COVID-19 among people who use drugs: evidence from Vancouver, Canada Harm Reduct J PubMed

Mitra S, Kerr T, Cui Z, Gilbert M, Fleury M, Hayashi K, Milloy MJ, Richardson L Patterns of socioeconomic marginalization among people who use drugs: a gender-stratified repeated measures latent class analysis J Urban Health PubMed

Piret E, Milloy MJ, Voon P, Choi JC, DeBeck K, Hayashi K, Kerr T Denial of prescription pain medication among people who use drugs in Vancouver, Canada Harm Reduct J PubMed

Karamouzian M, Cui Z, Hayashi K, DeBeck K, Reddon H, Buxton J, Kerr T Longitudinal polysubstance use patterns and non-fatal overdose: a repeated measures latent class analysis Int J Drug Policy PubMed