Ankush Jindal. “Effect of Long-Term Use of N95 Masks on Respiratory Gases, Volumes and Capacities of Medical and Paramedical Personnel: A Pilot Study”. Global Journal of Medical Research 22, no. F7 (July 9, 2022): 9–17. Accessed December 6, 2024. https://medicalresearchjournal.org/index.php/GJMR/article/view/102205.