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.
Shehata MR, Shoukry MM, Ali S.Shehata MR, et al.Spectrochim Acta A Mol Biomol Spectrosc. 2012 Jun;91:383-8. doi: 10.1016/j.saa.2012.01.039. Epub 2012 Feb 9.Spectrochim Acta A Mol Biomol Spectrosc. 2012.PMID: 22387687
Nassar DA, Ali OAM, Shehata MR, Sayed ASS.Nassar DA, et al. Among authors: shehata mr.Heliyon. 2023 Jun 2;9(6):e16973. doi: 10.1016/j.heliyon.2023.e16973. eCollection 2023 Jun.Heliyon. 2023.PMID: 37332957Free PMC article.