1. General Authority for Statistics, Hajj Statistics; 2019 – 1440. Available from: https://www.stats.gov.sa/sites/default/files/haj_40_en.pdf. [Last accessed on 2021 Jan 10].
2. Health issues in the Hajj pilgrimage: A literature review;Aldossari;East Mediterr Health J,2019
3. MOH Efforts during 1440-Hajj Season. Available from: https://www.moh.gov.sa/en/Ministry/MediaCenter/News/Pages/News-2019-08-25-016.aspx. [Last accessed on 2021 Jan 10].
4. The prevalence of compassion fatigue and burnout among healthcare professionals in intensive care units: A systematic review;van;PLoS One,2015
5. Burnout in the intensive care unit professionals: A systematic review;Chuang;Medicine (Baltimore),2016