Swain, Santosh Kumar, and Pragnya Paramita Jena. “Use of Face Mask in COVID-19 Pandemic-a Review”. International Journal of Research in Medical Sciences 9, no. 12 (November 26, 2021): 3750–3755. Accessed July 25, 2026. https://www.msjonline.org/index.php/ijrms/article/view/10228.