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Watanabe-Akanuma M, Shimoi K, Kinae N, Ohta T.Watanabe-Akanuma M, et al. Among authors: ohta t.Mutat Res. 1997 Jul 3;377(2):225-9. doi: 10.1016/s0027-5107(97)00077-8.Mutat Res. 1997.PMID: 9247618