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.
Richards GA, Theron AJ, Van Rensburg CE, Van Rensburg AJ, Van der Merwe CA, Kuyl JM, Anderson R.Richards GA, et al.Am Rev Respir Dis. 1990 Sep;142(3):648-54. doi: 10.1164/ajrccm/142.3.648.Am Rev Respir Dis. 1990.PMID: 2167623Clinical Trial.
Theron AJ, Richards GA, Van Rensburg AJ, Van der Merwe CA, Anderson R.Theron AJ, et al. Among authors: richards ga.Int J Vitam Nutr Res. 1990;60(3):261-6.Int J Vitam Nutr Res. 1990.PMID: 2276884
van Rensburg CE, Theron A, Richards GA, van der Merwe CA, Anderson R.van Rensburg CE, et al. Among authors: richards ga.Mutat Res. 1989 Dec;215(2):167-72. doi: 10.1016/0027-5107(89)90180-2.Mutat Res. 1989.PMID: 2601728
Richards GA, Theron AJ, Van der Merwe CA, Anderson R.Richards GA, et al.Am Rev Respir Dis. 1989 Jan;139(1):181-7. doi: 10.1164/ajrccm/139.1.181.Am Rev Respir Dis. 1989.PMID: 2912338
Van Antwerpen VL, Theron AJ, Richards GA, Van der Merwe CA, Viljoen E, Van der Walt R, Anderson R.Van Antwerpen VL, et al. Among authors: richards ga.Inflammation. 1995 Aug;19(4):405-14. doi: 10.1007/BF01534575.Inflammation. 1995.PMID: 7558246
van Antwerpen VL, Theron AJ, Richards GA, Steenkamp KJ, van der Merwe CA, van der Walt R, Anderson R.van Antwerpen VL, et al. Among authors: richards ga.Free Radic Biol Med. 1995 May;18(5):935-41. doi: 10.1016/0891-5849(94)00225-9.Free Radic Biol Med. 1995.PMID: 7797104
Theron AJ, Richards GA, Myer MS, van Antwerpen VL, Sluis-Cremer GK, Wolmarans L, van der Merwe CA, Anderson R.Theron AJ, et al. Among authors: richards ga.Occup Environ Med. 1994 Aug;51(8):564-7. doi: 10.1136/oem.51.8.564.Occup Environ Med. 1994.PMID: 7951783Free PMC article.
van Antwerpen L, Theron AJ, Myer MS, Richards GA, Wolmarans L, Booysen U, van der Merwe CA, Sluis-Cremer GK, Anderson R.van Antwerpen L, et al. Among authors: richards ga.Ann N Y Acad Sci. 1993 May 28;686:53-65. doi: 10.1111/j.1749-6632.1993.tb39153.x.Ann N Y Acad Sci. 1993.PMID: 8512261No abstract available.