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.
Jablonski KA, Guagliardo MF.Jablonski KA, et al. Among authors: guagliardo mf.Popul Health Metr. 2005 May 4;3(1):4. doi: 10.1186/1478-7954-3-4.Popul Health Metr. 2005.PMID: 15871740Free PMC article.
Guagliardo MF, Jablonski KA, Joseph JG, Goodman DC.Guagliardo MF, et al.BMC Health Serv Res. 2004 Jan 22;4(1):2. doi: 10.1186/1472-6963-4-2.BMC Health Serv Res. 2004.PMID: 14736335Free PMC article.