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.
Davis EE, Huffman FG.Davis EE, et al. Among authors: huffman fg.J Natl Med Assoc. 2007 Jun;99(6):658-64.J Natl Med Assoc. 2007.PMID: 17595935Free PMC article.
Huffman FG, Zarini GG, McNamara E, Nagarajan A.Huffman FG, et al.Public Health Nutr. 2011 Nov;14(11):2006-14. doi: 10.1017/S1368980011001054. Epub 2011 Jun 23.Public Health Nutr. 2011.PMID: 21729463