MacDougall, L., Smolina, K., Otterstatter, M., Ko, M., Godfrey, D., Zhao, B., & Cheng, J. (2018). Development and Characteristics of the Provincial Overdose Cohort in British Columbia, Canada. International Journal of Population Data Science, 3(4). https://doi.org/10.23889/ijpds.v3i4.1033