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Ito K, Nakazato H, Koike A, Takagi H, Saji S, Baba S, Mai M, Sakamoto J, Ohashi Y; Study Group of Immunochemotherapy with PSK for Colon Cancer.Ito K, et al. Among authors: sakamoto j.Int J Colorectal Dis. 2004 Mar;19(2):157-64. doi: 10.1007/s00384-003-0532-x. Epub 2003 Sep 12.Int J Colorectal Dis. 2004.PMID: 13680286Clinical Trial.
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