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Filtration and breathability of nonwoven fabrics used in washable masks. (arXiv:2202.03505v1 [physics.med-ph]) http://arxiv.org/abs/2202.03505
Filtration and breathability of nonwoven fabrics used in washable masks. (arXiv:2202.03505v1 [physics.med-ph]) http://arxiv.org/abs/2202.03505