• Ann. Intern. Med. · Jul 2023

    Comment Letter

    Medical Masks Versus N95 Respirators for Preventing COVID-19 Among Health Care Workers.

    • Kevin Hedges, Marianne Levitsky, Genevieve Marchand, Lidia Morawska, Luc Bhérer, and Marie-Claude Letellier.
    • Canadian Aerosol Transmission Coalition, Ottawa, Ontario, Canada.
    • Ann. Intern. Med. 2023 Jul 1; 176 (7): eL230076eL230076.

    no abstract available

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