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Hirao S, Hirao T, Marsit CJ, Hirao Y, Schned A, Devi-Ashok T, Nelson HH, Andrew A, Karagas MR, Kelsey KT.Hirao S, et al. Among authors: hirao y, hirao t.Cancer. 2005 Nov 1;104(9):1918-23. doi: 10.1002/cncr.21423.Cancer. 2005.PMID: 16149093Free article.