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Wentzel-Viljoen E, Steyn K, Lombard C, De Villiers A, Charlton K, Frielinghaus S, Crickmore C, Mungal-Singh V.Wentzel-Viljoen E, et al.Nutrients. 2017 Nov 12;9(11):1238. doi: 10.3390/nu9111238.Nutrients. 2017.PMID: 29137143Free PMC article.
Bertram MY, Steyn K, Wentzel-Viljoen E, Tollman S, Hofman KJ.Bertram MY, et al.S Afr Med J. 2012 Jun 20;102(9):743-5. doi: 10.7196/samj.5832.S Afr Med J. 2012.PMID: 22958695
Webster J, Crickmore C, Charlton K, Steyn K, Wentzel-Viljoen E, Naidoo P.Webster J, et al.S Afr Med J. 2016 Dec 21;107(1):20-21. doi: 10.7196/SAMJ.2016.v107.i1.12120.S Afr Med J. 2016.PMID: 28112084