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.