Oxygen Saturation and Perceived Discomfort with Different Face Masks among Dental Professionals – A Cross-sectional Study by Prarthana Manoharan, Lalithambigai Gunasekaran, Girish R. Shavi, Shankar Shanmugam, Senthil Kumar Sennan

“…Introduction: The protection and efficacy of face masks during the COVID-19 pandemic have been well-documented. …”
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