Effectiveness of Adding a Mask Recommendation to Other Public Health Measures
Ann Intern Med
.
2021 Aug;174(8):1193.
doi: 10.7326/L21-0398.
Author
Hans Gaines
1
Affiliation
1
Karolinska Institute, Stockholm, Sweden.
PMID:
34399077
DOI:
10.7326/L21-0398
No abstract available
Publication types
Letter
Comment
MeSH terms
COVID-19*
Humans
Masks
Public Health*