1. Royal College of Surgeons England. Over 62,000 fewer operations performed this winter, following necessary cancellations. Available from: https://www.rcseng.ac.uk/news-and-events/media-centre/press-releases/more-patients-wait-longer-for-elective-surgery/ (accessed 16 July 2018).
2. The King's Fund. An NHS winter that never seems to end? Available from https://www.kingsfund.org.uk/blog/2017/03/nhs-winter-never-seems-end (accessed 16 July 2018).
3. Cancelled operations in the UK – a 7 day cohort study of planned adult inpatient surgery in 245 NHS hospitals;Wong;Br J Anaesth,2018
4. The Globe and Mail. Hospital overcrowding has become the norm in Ontario, figures show. Available from https://www.theglobeandmail.com/news/national/hospital-overcrowding-has-become-the-norm-in-ontario-figures-show/article35076965/ (accessed 30 July 2018).
5. Institute for Clinical Evaluative Sciences (ICES). The Ontario wait time strategy, no evidence of an adverse impact on other surgeries [Internet]. Available from https://www.ices.on.ca/flip-publication/the-ontario-wait-time-strategy/files/assets/basic-html/index.html#1 (acessed 30 July 2018).