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COVID‐19: Facemasks, healthcare policies and risk factors in the crucial initial months of a global pandemic - Ahmed - 2020 - MEDICAL DEVICES & SENSORS - Wiley Online Library
Scientists tested 14 types of masks: Here's what worked and what didn't - Good Morning America
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What are the different types of face masks to protect yourself from coronavirus?
Protective Face Masks: Current Status and Future Trends | ACS Applied Materials & Interfaces
Comparing the fit of N95, KN95, surgical, and cloth face masks and assessing the accuracy of fit checking | PLOS ONE
Personal Safety Practices | Coronavirus Information
What to use: disposable or reusable face masks? | SBS English
What kind of mask is best? Ask an infectious disease doctor - Sanford Health News
Effectiveness of face masks used to protect Beijing residents against particulate air pollution | Occupational & Environmental Medicine
Face masks and COVID-19: All you need to know | Coronavirus pandemic | Al Jazeera
