Mask use in the context of COVID-19: interim guidance, 1 December 2020
Citation
(2020). Mask use in the context of COVID-19: interim guidance, 1 December 2020. World Health Organization. https://iris.who.int/handle/10665/337199. License: CC BY-NC-SA 3.0 IGO
Description
22 p.Portuguese version published by PAHO: https://iris.paho.org/handle/10665.2/53101
Document number
WHO/2019-nCoV/IPC_Masks/2020.5Language
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