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.
Stretch RA, Botha T, Chandler S, Pretorius P.Stretch RA, et al. Among authors: pretorius p.S Afr Med J. 2003 Aug;93(8):611-6.S Afr Med J. 2003.PMID: 14531122
Matete MA, Pretorius PJ, Rataemane ST.Matete MA, et al. Among authors: pretorius pj.S Afr Med J. 2003 Jan;93(1):39-41.S Afr Med J. 2003.PMID: 12564329No abstract available.
la Grange Pdu P, Nel JD, Lessing AJ, Schoeman HS, Pretorius PJ.la Grange Pdu P, et al. Among authors: pretorius pj.S Afr Med J. 1980 Sep 6;58(10):398-400.S Afr Med J. 1980.PMID: 7404163
la Grange PP, Lessing AJ, Pretorius PJ.la Grange PP, et al. Among authors: pretorius pj.S Afr Med J. 1980 Jun 7;57(23):954-5.S Afr Med J. 1980.PMID: 7404062