Medical Masks Versus N95 Respirators for Preventing COVID-19 Among Health Care Workers : A Randomized Trial.
Mark LoebAmy BartholomewMadiha HashmiWadea TarhuniMohamed HassanyIlan YoungsterRanjani SomayajiOscar LariosJoseph KimBayan MissaghiJoseph V VayalumkalDominik MertzZain ChaglaMaureen CividinoKarim AliSarah MansourLana A CastellucciCharles FrenetteLeighanne ParkesMark DowningMatthew MullerVerne GlavinJennifer NewtonRavi HookoomJerome A LeisJames Macalister KinrossStephanie SmithSayem BorhanPardeep SinghEleanor M PullenayegumJohn M ConlyPublished in: Annals of internal medicine (2022)
Canadian Institutes of Health Research, World Health Organization, and Juravinski Research Institute.