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Orzel J, Daszykowski M, Kazura M, de Beer D, Joubert E, Schulze AE, Beelders T, de Villiers A, Malherbe CJ, Walczak B.Orzel J, et al. Among authors: de beer d, de villiers a.J Chromatogr A. 2014 Oct 31;1366:101-9. doi: 10.1016/j.chroma.2014.09.030. Epub 2014 Sep 22.J Chromatogr A. 2014.PMID: 25283576
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de Villiers A, Cabooter D, Lynen F, Desmet G, Sandra P.de Villiers A, et al.J Chromatogr A. 2009 Apr 10;1216(15):3270-9. doi: 10.1016/j.chroma.2009.02.038. Epub 2009 Feb 21.J Chromatogr A. 2009.PMID: 19264316
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Alberts P, Stander MA, de Villiers A.Alberts P, et al. Among authors: de villiers a.J Chromatogr A. 2012 Apr 27;1235:92-102. doi: 10.1016/j.chroma.2012.02.058. Epub 2012 Mar 3.J Chromatogr A. 2012.PMID: 22440662