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Krudsood S, Silachamroon U, Wilairatana P, Singhasivanon P, Phumratanaprapin W, Chalermrut K, Phophak N, Popa C.Krudsood S, et al. Among authors: phumratanaprapin w.Southeast Asian J Trop Med Public Health. 2000 Dec;31(4):801-7.Southeast Asian J Trop Med Public Health. 2000.PMID: 11414432Clinical Trial.
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Nacher M, Treeprasertsuk S, Singhasivanon P, Popakdee N, Silachamroon U, Bussaratid V, Phumratanaprapin W, Looareesuwan S, Wilairatana P.Nacher M, et al. Among authors: phumratanaprapin w.Southeast Asian J Trop Med Public Health. 2004 Mar;35(1):31-4.Southeast Asian J Trop Med Public Health. 2004.PMID: 15272741
Nacher M, Silachamroon U, Singhasivanon P, Wilairatana P, Phumratanaprapin W, Fontanet A, Looareesuwan S.Nacher M, et al. Among authors: phumratanaprapin w.Am J Trop Med Hyg. 2004 Dec;71(6):693-5.Am J Trop Med Hyg. 2004.PMID: 15642956