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Midzi N, Butterworth AE, Mduluza T, Munyati S, Deelder AM, van Dam GJ.Midzi N, et al. Among authors: butterworth ae.Trans R Soc Trop Med Hyg. 2009 Jan;103(1):45-51. doi: 10.1016/j.trstmh.2008.08.018. Epub 2008 Oct 31.Trans R Soc Trop Med Hyg. 2009.PMID: 18951599Clinical Trial.