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.
Addo J, Smeeth L, Leon DA.Addo J, et al.Int J Environ Res Public Health. 2009 Jan;6(1):200-8. doi: 10.3390/ijerph6010200. Epub 2009 Jan 8.Int J Environ Res Public Health. 2009.PMID: 19440277Free PMC article.
van de Vijver S, Oti S, Addo J, de Graft-Aikins A, Agyemang C.van de Vijver S, et al. Among authors: addo j.Ethn Health. 2012;17(6):651-76. doi: 10.1080/13557858.2012.754409. Epub 2013 Jan 9.Ethn Health. 2012.PMID: 23297746Review.