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.
Ustundag MF, Ozcan H, Gencer AG, Yilmaz ED, Uğur K, Oral E, Bilici M.Ustundag MF, et al. Among authors: ozcan h.Saudi Med J. 2020 Jan;41(1):38-45. doi: 10.15537/smj.2020.1.24817.Saudi Med J. 2020.PMID: 31915793Free PMC article.