Cargando…
Expression of Concern: The introduction of a mandatory mask policy was associated with significantly reduced COVID-19 cases in a major metropolitan city
| Formato: | Online Artículo Texto |
|---|---|
| Lenguaje: | English |
| Publicado: |
Public Library of Science
2023
|
| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10120923/ https://www.ncbi.nlm.nih.gov/pubmed/37083861 http://dx.doi.org/10.1371/journal.pone.0284939 |