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Young SL, Goodman D, Farag TH, Ali SM, Khatib MR, Khalfan SS, Tielsch JM, Stoltzfus RJ.Young SL, et al. Among authors: tielsch jm.Trans R Soc Trop Med Hyg. 2007 Aug;101(8):766-72. doi: 10.1016/j.trstmh.2007.04.016. Epub 2007 Jun 12.Trans R Soc Trop Med Hyg. 2007.PMID: 17568644Free PMC article.