So, Samantha, Teng Qing Wang, Brian Edward Yu, and Monali S. Malvankar-Mehta. “The Psychological Impact of the COVID-19 Pandemic on Frontline Healthcare Workers. A Systematic Review and a Meta-Analysis”. European Journal of Mental Health 18 (February 28, 2023): e0003, 1–22. Accessed September 19, 2024. https://ejmh.semmelweis.hu/index.php/ejmh/article/view/263.