Agouridis, Aris P., Evangelia E. Ntzani, Georgia Anastasiou, Fotios Barkas, and Evangelos C. Rizos. “Unravelling Beau’s Lines As a Potential Indicator of Severe Immune Response in COVID-19 and Reinfection”. European Journal of Case Reports in Internal Medicine 11, no. 2 (January 17, 2024). Accessed February 21, 2024. https://ejcrim.com/index.php/EJCRIM/article/view/4281.