Countermeasures and suggestions on establishing the mask emergency reserve system during the epidemic of Covid-19 to fully activate the capacity of mask industry
WU Wei, ZHENG Chan-jiao, CHI Lan, ZHANG Yong-hui, WU Sheng-ming
South China Journal of Preventive Medicine . 2021, (3): 323 -326 .  DOI: 10.12183/j.scjpm.2021.0323

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