An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
El-Sayed ASA, Fathalla M, Yassin MA, Zein N, Morsy S, Sitohy M, Sitohy B.El-Sayed ASA, et al. Among authors: yassin ma.Molecules. 2020 Jan 9;25(2):263. doi: 10.3390/molecules25020263.Molecules. 2020.PMID: 31936458Free PMC article.
El-Sayed ASA, Rady AM, Mohamed HT, Zein N, Yassin MA, Mohamed NZ, Hassan A, Amer MM, El-Sharakawy R, El-Sharkawy AA, El-Sayed N, Ali MG.El-Sayed ASA, et al. Among authors: yassin ma.BMC Microbiol. 2023 Jan 10;23(1):9. doi: 10.1186/s12866-023-02754-8.BMC Microbiol. 2023.PMID: 36627557Free PMC article.