Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

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.

Https

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.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation

Search Page

Filters

My NCBI Filters

Results by year

Table representation of search results timeline featuring number of search results per year.

Year Number of Results
2002 4
2003 2
2004 1
2006 2
2008 2
2009 1
2010 3
2011 1
2012 2
2013 3
2014 3
2015 6
2016 1
2017 3
2018 3
2019 6
2020 7
2021 14
2022 2
2023 8
2024 1

Text availability

Article attribute

Article type

Publication date

Search Results

66 results

Results by year

Filters applied: . Clear all
Page 1
Did you mean mr el sayed (63 results)?
Microbiota's role in health and diseases.
El-Sayed A, Aleya L, Kamel M. El-Sayed A, et al. Environ Sci Pollut Res Int. 2021 Jul;28(28):36967-36983. doi: 10.1007/s11356-021-14593-z. Epub 2021 May 27. Environ Sci Pollut Res Int. 2021. PMID: 34043164 Free PMC article. Review.
Future threat from the past.
El-Sayed A, Kamel M. El-Sayed A, et al. Environ Sci Pollut Res Int. 2021 Jan;28(2):1287-1291. doi: 10.1007/s11356-020-11234-9. Epub 2020 Oct 17. Environ Sci Pollut Res Int. 2021. PMID: 33068243 Free PMC article. Review.
Causes of respiratory failure in COVID-19 patients.
El-Sayed A, Abdel-Daim MM, Kamel M. El-Sayed A, et al. Environ Sci Pollut Res Int. 2021 Jun;28(23):28825-28830. doi: 10.1007/s11356-021-14200-1. Epub 2021 May 5. Environ Sci Pollut Res Int. 2021. PMID: 33954917 Free PMC article. No abstract available.
Microbiota and epigenetics: promising therapeutic approaches?
El-Sayed A, Aleya L, Kamel M. El-Sayed A, et al. Environ Sci Pollut Res Int. 2021 Sep;28(36):49343-49361. doi: 10.1007/s11356-021-15623-6. Epub 2021 Jul 28. Environ Sci Pollut Res Int. 2021. PMID: 34319520 Free PMC article. Review.
Brucellosis: Evolution and expected comeback.
El-Sayed A, Awad W. El-Sayed A, et al. Int J Vet Sci Med. 2018 Mar 21;6(Suppl):S31-S35. doi: 10.1016/j.ijvsm.2018.01.008. eCollection 2018. Int J Vet Sci Med. 2018. PMID: 30761318 Free PMC article. Review.
66 results