Jaiswal, Shikha, Halwai, Ajay, Mishra, Ajitesh, Aggarwal, Divish, AND Sheohare, Raka. " Effect of Various Types of Face Masks on Oxygen Saturation, Heart Rate & Respiratory Rate in Health Care Workers of Tertiary Teaching Hospital, Raipur (C.G.)" Medical Research Archives [Online], Volume 11 Number 3 (29 March 2023)