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Suaya JA, Shepard DS, Chang MS, Caram M, Hoyer S, Socheat D, Chantha N, Nathan MB.Suaya JA, et al. Among authors: shepard ds.Trop Med Int Health. 2007 Sep;12(9):1026-36. doi: 10.1111/j.1365-3156.2007.01889.x.Trop Med Int Health. 2007.PMID: 17875014Free article.