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.
Al-Salahi R, El-Tahir KE, Alswaidan I, Lolak N, Hamidaddin M, Marzouk M.Al-Salahi R, et al.Chem Cent J. 2014 Jan 15;8(1):3. doi: 10.1186/1752-153X-8-3.Chem Cent J. 2014.PMID: 24428932Free PMC article.