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.
Yanni GN, Lubis M, Ali M.Yanni GN, et al.Open Access Maced J Med Sci. 2019 Oct 14;7(20):3455-3458. doi: 10.3889/oamjms.2019.445. eCollection 2019 Oct 30.Open Access Maced J Med Sci. 2019.PMID: 32002073Free PMC article.