1. Enforcement policy for face shields, surgical masks, and respirators during the coronavirus disease (COVID-19) public health emergency: guidance for industry and Food and Drug Administration staff Publication: [Silver Spring, MD] : Center for Devices and Radiological Health, March 13, 2023 Subject(s): COVID-19 -- prevention & controlGovernment RegulationMasks -- standardsMedical Device LegislationN95 Respirators -- standardsPersonal Protective EquipmentRespiratory Protective Devices -- standardsUnited StatesUnited States. Food and Drug Administration
