1. [1] Weiser TG, Regenbogen SE, Thompson KD, et al. An estimation of the global volume of surgery: a modelling strategy based on available data. Lancet 2008; 372: 139-44.
2. [2] Simoni-Wastila L, Yang HK. Psychoactive drug abuse in older adults. Am J Geriatr Pharmacother 2006; 4: 380-94.
3. Canadian Centre on Drug Abuse and Addiction. Canadian drug summary: prescription opioids. Ottawa, ON. Available from URL: https://www.ccsa.ca/sites/default/files/2019-04/CCSA-Canadian-Drug-Summary-Prescription-Opioids-2017-en.pdf (accessed July 2021).
4. [4] Petersen KK, Arendt-Nielsen L. Chronic postoperative pain after joint replacement. Pain Clinical Updates 2016; 24: 1-6.
5. Canadian Institute for Health Information. Hip and knee replacements in Canada: CJRR annual statistics summary, 2018-2019. Ottawa, ON: Canadian Institute for Health Information; August 2020. Available from URL: https://www.cihi.ca/sites/default/files/document/cjrr-annual-statistics-hip-knee-2018-2019-report-en.pdf (accessed July 2021).