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.
Valdmanis V, Smith DW, Page MR.Valdmanis V, et al. Among authors: smith dw.Am J Public Health. 2001 Jan;91(1):129-30. doi: 10.2105/ajph.91.1.129.Am J Public Health. 2001.PMID: 11189805Free PMC article.
Oman RF, McLeroy KR, Vesely S, Aspy CB, Smith DW, Penn DA.Oman RF, et al. Among authors: smith dw.Am J Health Promot. 2002 Jan-Feb;16(3):167-76. doi: 10.4278/0890-1171-16.3.167.Am J Health Promot. 2002.PMID: 11802262
DeJohn CA, Véronneau SJ, Wolbrink AM, Larcher JG, Smith DW, Garrett JS.DeJohn CA, et al. Among authors: smith dw.Aviat Space Environ Med. 2002 May;73(5):496-500.Aviat Space Environ Med. 2002.PMID: 12014611
DeJohn CA, Wolbrink AM, Véronneau SJ, Larcher JG, Smith DW, Garrett JS.DeJohn CA, et al. Among authors: smith dw.Aviat Space Environ Med. 2002 Jun;73(6):580-6.Aviat Space Environ Med. 2002.PMID: 12056675