Systematic review of empirical studies comparing the effectiveness of non-pharmaceutical interventions against COVID-19.
J Infect. 2021 Sep;83(3):281-293. doi: 10.1016/j.jinf.2021.06.018. Epub 2021 Jun 20.
J Infect. 2021.
PMID: 34161818
Free PMC article.
Review.