The current reproduction number of COVID-19 in Saudi Arabia: is the disease controlled?
Environ Sci Pollut Res Int. 2021 Sep;28(33):44812-44817. doi: 10.1007/s11356-021-14217-6. Epub 2021 Jul 9.
Environ Sci Pollut Res Int. 2021.
PMID: 34244941
Free PMC article.
Review.