evidence: Medical Masks Versus N95 Respirators for Preventing COVID-19 Among Health Care Workers : A Randomized Trial - PMID: 36442064 - PMCID: PMC9707441 - DOI: 10.7326/M22-1966 [...] Medical Masks Versus N95 Respirators for Preventing COVID-19 Among Health Care Workers.Ann Intern Med. 2023 Jul;176(7):eL230074. doi: 10.7326/L23-0074. Ann Intern Med. 2023. PMID: 37459624 No abstract available. [...] Masks or N95 Respirators During COVID-19 Pandemic-Which One Should I Wear?J Oral Maxillofac Surg. 2020 Dec;78(12):2114-2127. doi: 10.1016/j.joms.2020.08.024. Epub 2020 Aug 27. J Oral Maxillofac Surg. 2020. PMID: 32926868 Free PMC article. Review.