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.
Burrell SA, Exley C.Burrell SA, et al. Among authors: exley c.BMC Pediatr. 2010 Aug 31;10:63. doi: 10.1186/1471-2431-10-63.BMC Pediatr. 2010.PMID: 20807425Free PMC article.
Exley C, Price NC, Kelly SM, Birchall JD.Exley C, et al.FEBS Lett. 1993 Jun 21;324(3):293-5. doi: 10.1016/0014-5793(93)80137-j.FEBS Lett. 1993.PMID: 8405368Free article.