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.
Hippisley-Cox J, Pringle M, Crown N, Coupland C.Hippisley-Cox J, et al. Among authors: coupland c.Br J Gen Pract. 2003 Mar;53(488):191-6.Br J Gen Pract. 2003.PMID: 14694694Free PMC article.
Watson M, Kendrick D, Coupland C, Woods A, Futers D, Robinson J.Watson M, et al. Among authors: coupland c.BMJ. 2005 Jan 22;330(7484):178. doi: 10.1136/bmj.38309.664444.8F. Epub 2004 Dec 16.BMJ. 2005.PMID: 15604156Free PMC article.Clinical Trial.