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.
Beyers N, Gie RP, Zietsman HL, Kunneke M, Hauman J, Tatley M, Donald PR.Beyers N, et al.S Afr Med J. 1996 Jan;86(1):40-1, 44.S Afr Med J. 1996.PMID: 8685780
Warren R, Hauman J, Beyers N, Richardson M, Schaaf HS, Donald P, van Helden P.Warren R, et al.S Afr Med J. 1996 Jan;86(1):45-9.S Afr Med J. 1996.PMID: 8685781
Vos M, Warren RM, van Rensburg CJ, Hauman JH, Epplen JT, van Helden PD.Vos M, et al. Among authors: hauman jh.Electrophoresis. 1999 Jun;20(7):1476-85. doi: 10.1002/(SICI)1522-2683(19990601)20:7<1476::AID-ELPS1476>3.0.CO;2-B.Electrophoresis. 1999.PMID: 10424471