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.
Brown EC, Little P, Leydon GM.Brown EC, et al. Among authors: leydon gm.Fam Pract. 2010 Apr;27(2):224-9. doi: 10.1093/fampra/cmp087. Epub 2009 Dec 18.Fam Pract. 2010.PMID: 20022908
Moore M, Ali S, Stuart B, Leydon GM, Ovens J, Goodall C, Kendrick T.Moore M, et al. Among authors: leydon gm.Br J Gen Pract. 2012 Jun;62(599):e451-7. doi: 10.3399/bjgp12X649151.Br J Gen Pract. 2012.PMID: 22687239Free PMC article.