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.
Thomas DL, Factor SH, Kelen GD, Washington AS, Taylor E Jr, Quinn TC.Thomas DL, et al.Arch Intern Med. 1993 Jul 26;153(14):1705-12.Arch Intern Med. 1993.PMID: 8333808
Thomas DL, Nakatsuji Y, Shih JW, Alter HJ, Nelson KE, Astemborski JA, Lyles CM, Vlahov D.Thomas DL, et al.J Infect Dis. 1997 Sep;176(3):586-92. doi: 10.1086/514078.J Infect Dis. 1997.PMID: 9291303
Villano SA, Nelson KE, Vlahov D, Purcell RH, Saah AJ, Thomas DL.Villano SA, et al. Among authors: thomas dl.Clin Infect Dis. 1997 Sep;25(3):726-8. doi: 10.1086/513757.Clin Infect Dis. 1997.PMID: 9314468