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.
Connelly MT, Sullivan AM, Peters AS, Clark-Chiarelli N, Zotov N, Martin N, Simon SR, Singer JD, Block SD.Connelly MT, et al. Among authors: block sd.J Gen Intern Med. 2003 Mar;18(3):159-69. doi: 10.1046/j.1525-1497.2003.01208.x.J Gen Intern Med. 2003.PMID: 12648246Free PMC article.
DelVecchio Good MJ, Gadmer NM, Ruopp P, Lakoma M, Sullivan AM, Redinbaugh E, Arnold RM, Block SD.DelVecchio Good MJ, et al. Among authors: block sd.Soc Sci Med. 2004 Mar;58(5):939-53. doi: 10.1016/j.socscimed.2003.10.043.Soc Sci Med. 2004.PMID: 14732607