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.
Zar HJ, Langdon G, Apolles P, Eley B, Hussey G, Smith P.Zar HJ, et al. Among authors: langdon g.S Afr Med J. 2006 Jul;96(7):627-9.S Afr Med J. 2006.PMID: 16909188
Sirgel FA, Maritz JS, Venter A, Langdon G, Smith PJ, Donald PR.Sirgel FA, et al. Among authors: langdon g.Int J Pharm. 2006 Jan 13;307(2):182-7. doi: 10.1016/j.ijpharm.2005.09.033. Epub 2005 Nov 21.Int J Pharm. 2006.PMID: 16303269