Padmavathy K.M, Noorzaid Bin Muhammad, Rohith Sharan S, and Siti Nur Rasinah Binti Abdullah, “Comparison of Physiological Effects of Using Face Mask and Personal Protective Equipment (PPE) during Six-Minute Walk Test among Healthy Adults – A Pilot Study”, Asian J Med Health Sci, vol. 6, no. 1, pp. 134–142, Jun. 2023, Accessed: Feb. 27, 2026. [Online]. Available: https://ejournal.unikl.edu.my/index.php/ajmhs/article/view/169