1. WHO Coronavirus (COVID-19) Dashboard | WHO Coronavirus (COVID-19) Dashboard With Vaccination Data. Accessed December 16, 2022. https://covid19.who.int/.
2. Kraiem, B., Yosra Evolution postoperatoire des patients covid-19 asymptomatiques meconnus en preoperatoire a propos de 12 cas avec revue de litterature. Published online 2021. Accessed December 16, 2022. http://ao.um5.ac.ma/xmlui/handle/123456789/19184.
3. Safety recommendations for evaluation and surgery of the head and neck during the COVID-19 pandemic author audio interview clinical review & education JAMA otolaryngology-head & neck surgery | special communication;Givi;JAMA Otolaryngol Head Neck Surg,2020
4. Using health care failure mode and effect analysis: the VA national center for patient safety's prospective risk analysis system;DeRosier;Jt Comm J Qual Improv,2002
5. A priori risk management in the operating room using the Amdec method;Meziane;Inter Bloc,2022