Ask HN: How to break out the loop of being an employee to your own business? 2 ahamdy88 8 years ago 1 comments
https://www.acpjournals.org/doi/10.7326/M20-6817
From the study: Inconclusive results, missing data, variable adherence, patient-reported findings on home tests, no blinding, and no assessment of whether masks could decrease disease transmission from mask wearers to others.