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.
Urban M, Chersich MF, Fourie LA, Chetty C, Olivier L, Viljoen D.Urban M, et al. Among authors: viljoen d.S Afr Med J. 2008 Nov;98(11):877-82.S Afr Med J. 2008.PMID: 19177895
Olivier L, Curfs LM, Viljoen DL.Olivier L, et al. Among authors: viljoen dl.S Afr Med J. 2016 May 25;106(6 Suppl 1):S103-6. doi: 10.7196/SAMJ.2016.v106i6.11009.S Afr Med J. 2016.PMID: 27245541
Olivier L, Urban M, Chersich M, Temmerman M, Viljoen D.Olivier L, et al. Among authors: viljoen d.S Afr Med J. 2013 Mar 18;103(6):402-5. doi: 10.7196/samj.6249.S Afr Med J. 2013.PMID: 23725961Free article.