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Example of N95 mask

Example of N95 mask
Reproduced from: N95 Respirators and Surgical Masks (Face Masks). U.S. Food & Drug Administration. Available at: https://www.fda.gov/medical-devices/personal-protective-equipment-infection-control/n95-respirators-and-surgical-masks-face-masks (Accessed on March 21, 2020).
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