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Swanepoel de W, Biagio L.Swanepoel de W, et al.J Occup Environ Hyg. 2011 Apr;8(4):210-4. doi: 10.1080/15459624.2011.559417.J Occup Environ Hyg. 2011.PMID: 21391065
Swanepoel de W, Hall JW 3rd.Swanepoel de W, et al.Telemed J E Health. 2010 Mar;16(2):181-200. doi: 10.1089/tmj.2009.0111.Telemed J E Health. 2010.PMID: 20187743Review.
Swanepoel de W, Koekemoer D, Clark J.Swanepoel de W, et al.J Telemed Telecare. 2010;16(5):248-52. doi: 10.1258/jtt.2010.090906. Epub 2010 May 10.J Telemed Telecare. 2010.PMID: 20457801