20. Duceppe E, Parlow J, MacDonald P, Lyons K, McMullen M, et. al. Canadian Cardiovascular Society Guidelines on Perioperative Cardiac Risk Assessment and Management for Patients Who Undergo Noncardiac Surgery. Canadian Journal of Cardiology. 2017;33(1):17-32.
21. Beyea JA, Rosen E, Stephens T, Nguyen P, Hall SF. Audiometric Testing Guideline Adherence in Children Undergoing Tympanostomy Tubes: A Population-Based Study. Otolaryngol Head Neck Surg. 2018;158:1127-1133.
22. Hawker GA, Coyte PC, Wright JG, Paul JE, Bombardier C. Accuracy of administrative data for assessing outcomes after knee replacement surgery. J Clin Epidemiol. 1997;50:265-73.
23. Statistics Canada, Data, Non-emergency surgeries, by waiting times (https://www150.statcan.gc.ca/t1/tbl1/en/tv.action?pid=1310048201&pickMembers%5B0%5D=1.7). Accessed June 22, 2020.