1.
Greenwald ZR, Feld JJ, Werb D, Austin PC, Drover S, Fridman D, et al. Enhancing population-level research among people who inject drugs: a validation and retrospective cohort study using health administrative data in Ontario, Canada. IJPDS [Internet]. 2024 Sept. 10 [cited 2026 Oct. 24];9(5). Available from: https://ijpds.org/index.php/ijpds/article/view/2628