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.
Williams DR, Lavizzo-Mourey R, Warren RC.Williams DR, et al.Public Health Rep. 1994 Jan-Feb;109(1):26-41.Public Health Rep. 1994.PMID: 8303011Free PMC article.
Williams DR.Williams DR.Ann N Y Acad Sci. 1999;896:173-88. doi: 10.1111/j.1749-6632.1999.tb08114.x.Ann N Y Acad Sci. 1999.PMID: 10681897Free article.Review.
Williams DR.Williams DR.Public Health Rep. 1997 Nov-Dec;112(6):492-4.Public Health Rep. 1997.PMID: 10822476Free PMC article.Review.No abstract available.
Schulz A, Israel B, Williams D, Parker E, Becker A, James S.Schulz A, et al.Soc Sci Med. 2000 Dec;51(11):1639-53. doi: 10.1016/s0277-9536(00)00084-8.Soc Sci Med. 2000.PMID: 11072884
Williams DR, Jackson JS.Williams DR, et al.Am J Public Health. 2000 Nov;90(11):1728-30. doi: 10.2105/ajph.90.11.1728.Am J Public Health. 2000.PMID: 11076240Free PMC article.Review.