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.
Rachet B, Riga M, Mitry E, Romanengo M, Quinn M, Cooper N, Coleman M.Rachet B, et al.Health Stat Q. 2004 Summer;(22):5-13.Health Stat Q. 2004.PMID: 15704389
Woods LM, Rachet B, Riga M, Stone N, Shah A, Coleman MP.Woods LM, et al. Among authors: rachet b.J Epidemiol Community Health. 2005 Feb;59(2):115-20. doi: 10.1136/jech.2003.013003.J Epidemiol Community Health. 2005.PMID: 15650142Free PMC article.