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.
Abebe SM, Berhane Y, Worku A, Assefa A.Abebe SM, et al.BMC Public Health. 2014 Jan 30;14:97. doi: 10.1186/1471-2458-14-97.BMC Public Health. 2014.PMID: 24479725Free PMC article.
Abebe SM, Andargie G, Shimeka A, Alemu K, Kebede Y, Wubeshet M, Tariku A, Gebeyehu A, Bayisa M, Yitayal M, Awoke T, Azmeraw T, Birku M.Abebe SM, et al.BMJ Open. 2017 Oct 22;7(10):e015496. doi: 10.1136/bmjopen-2016-015496.BMJ Open. 2017.PMID: 29061601Free PMC article.