‘LOW-QUALITY FACE MASKS A RISK TO PUBLIC HEALTH’; UPM Expert Says These Substandard Masks Lack Proper Filtration Against Covid-19 | HOSPITAL SULTAN ABDUL AZIZ SHAH (HSAAS) UNIVERSITI PUTRA MALAYSIA
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‘LOW-QUALITY FACE MASKS A RISK TO PUBLIC HEALTH’; UPM expert says these substandard masks lack proper filtration against Covid-19

SUMBER :New Straits Times

Kemaskini:: 24/09/2020 [amirahhani]

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HOSPITAL SULTAN ABDUL AZIZ SHAH (HSAAS) UNIVERSITI PUTRA MALAYSIA
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