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Inthavong P, Srikitjakarn L, Kyule M, Zessin KH, Baumann M, Douangngeun B, Fries R.Inthavong P, et al. Among authors: fries r.Southeast Asian J Trop Med Public Health. 2006 Nov;37(6):1237-41.Southeast Asian J Trop Med Public Health. 2006.PMID: 17333783