1. Coronavirus disease 2019 (2020) (COVID-19) Situation Report – 85. World Health Organization
2. Organization WH (2020) Coronavirus disease (COVID-19) Situation Report – 154 https://www.who.int/docs/default-source/coronaviruse/situation-reports/20200622-covid-19-sitrep-154.pdf?sfvrsn=d0249d8d_2
3. Prachand VNMR, Angelos P, Posner MC, Fung JJ, Agrawal N, Jeevanandam V, Matthews JB (2020) Medically necessary, time-sensitive procedures: scoring system to ethically and efficiently manage resource scarcity and provider risk during the COVID-19 pandemic. J Am Coll Surg pii S1072(20):30317–30323. https://doi.org/10.1016/j.jamcollsurg.2020.04.011
4. COVID-19 (2020) Recommendations for management of elective surgical procedures https://wwwfacsorg/media/files/covid19/recommendations_for_management_of_elective_surgical_proceduresashx. Accessed May 1 2020
5. NHS (2020) Clinical guide for the management of patients requiring spinal surgery during the Coronavirus pandemic. https://wwwenglandnhsuk/coronavirus/wp-content/uploads/sites/52/2020/03/specialty-guide-management-of-patients-requiring-spinal-surgery-v1-20-march-2020.pdf. Accessed May 1 2020