Sialakis, Christos, Panagiota Antoniou Sialaki, Aikaterini Frantzana, Christos Iliadis, Peter Ouzounakis, and Lambrini Kourkouta. “Prevalence of Anxiety and Depression of Health Care Workers During COVID-19 – a Systematic Review and Meta-Analysis”. Medicine and Pharmacy Reports 96, no. 3 (July 10, 2023): 246–253. Accessed July 1, 2025. https://medpharmareports.com/index.php/mpr/article/view/2579.