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
1975 1
1981 2
1982 1
1983 3
1984 2
1986 1
1988 3
1990 1
1993 3
1994 2
1995 2
1996 1
1997 3
2000 2
2002 2
2003 4
2004 3
2005 1
2006 3
2007 3
2008 4
2009 8
2010 11
2011 9
2012 10
2013 4
2014 5
2015 8
2016 13
2017 12
2018 13
2019 12
2020 18
2021 35
2022 37
2023 32
2024 10

Text availability

Article attribute

Article type

Publication date

Search Results

240 results

Results by year

Filters applied: . Clear all
Page 1
Peptidoglycan pathways: there are still more!
Helal AM, Sayed AM, Omara M, Elsebaei MM, Mayhoub AS. Helal AM, et al. RSC Adv. 2019 Sep 9;9(48):28171-28185. doi: 10.1039/c9ra04518j. eCollection 2019 Sep 3. RSC Adv. 2019. PMID: 35530449 Free PMC article. Review.
Reticular Chemistry for Optical Sensing of Anions.
Helal A, Khan MY, Khan A, Usman M, Zahir MH. Helal A, et al. Int J Mol Sci. 2023 Aug 22;24(17):13045. doi: 10.3390/ijms241713045. Int J Mol Sci. 2023. PMID: 37685850 Free PMC article. Review.
Cerebrovascular Complications of Vestibular Schwannoma Surgery.
Rayan T, Helal A, Graffeo CS, Perry A, Carlstrom LP, Driscoll CLW, Link MJ. Rayan T, et al. Among authors: helal a. J Neurol Surg B Skull Base. 2021 May 31;83(Suppl 2):e443-e448. doi: 10.1055/s-0041-1730895. eCollection 2022 Jun. J Neurol Surg B Skull Base. 2021. PMID: 35832937 Free PMC article.
240 results