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Lebepe J, Oberholster PJ, Ncube I, Smit W, Luus-Powell WJ.Lebepe J, et al. Among authors: smit w.J Environ Sci Health A Tox Hazard Subst Environ Eng. 2020;55(4):421-432. doi: 10.1080/10934529.2019.1704604. Epub 2019 Dec 23.J Environ Sci Health A Tox Hazard Subst Environ Eng. 2020.PMID: 31868083