MacDougall L, Smolina K, Otterstatter M, Ko M, Godfrey D, Zhao B, et al. Development and Characteristics of the Provincial Overdose Cohort in British Columbia, Canada. IJPDS [Internet]. 2018 Sept. 11 [cited 2026 Oct. 24];3(4). Available from: https://ijpds.org/index.php/ijpds/article/view/1033