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Vichasri-Grams S, Grams R, Korge G, Viyanant V, Upatham ES.Vichasri-Grams S, et al. Among authors: korge g.Southeast Asian J Trop Med Public Health. 1997 Sep;28(3):570-4.Southeast Asian J Trop Med Public Health. 1997.PMID: 9561610