Effects of Ultraviolet Germicidal Irradiation (UVGI) on N95 Respirator Filtration Performance and Structural Integrity,
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4699414/NYTimes.com: As Coronavirus Looms, Mask Shortage Gives Rise to Startling Solution, https://nyti.ms/3b8C1HQ