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Koga T, Tokunaga E, Sumiyoshi Y, Oki E, Oda S, Takahashi I, Kakeji Y, Baba H, Maehara Y.Koga T, et al.Hepatogastroenterology. 2008 May-Jun;55(84):1131-5.Hepatogastroenterology. 2008.PMID: 18705345
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