So, Samantha, Teng Qing Wang, Brian Edward Yu, and Monali S. Malvankar-Mehta. 2023. “The Psychological Impact of the COVID-19 Pandemic on Frontline Healthcare Workers. A Systematic Review and a Meta-Analysis”. European Journal of Mental Health, February, e0003, 1-22. https://ejmh.semmelweis.hu/test/index.php/ejmh/article/view/266.