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DAVIES, C. Design and use of Respirators. Nature 191, 655–656 (1961). https://doi.org/10.1038/191655a0
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DOI: https://doi.org/10.1038/191655a0
Nature volume 191, pages 655–656 (1961)
DAVIES, C. Design and use of Respirators. Nature 191, 655–656 (1961). https://doi.org/10.1038/191655a0
Issue Date:
DOI: https://doi.org/10.1038/191655a0