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Hanaoka T, Takahashi Y, Kobayashi M, Sasaki S, Usuda M, Okubo S, Hayashi M, Tsugane S.Hanaoka T, et al. Among authors: okubo s.Sci Total Environ. 2002 Mar 8;286(1-3):119-27. doi: 10.1016/s0048-9697(01)00969-x.Sci Total Environ. 2002.PMID: 11886087
Takashashi Y, Sasaki S, Takahashi M, Okubo S, Hayashi M, Tsugane S.Takashashi Y, et al. Among authors: okubo s.Prev Med. 2003 Nov;37(5):432-41. doi: 10.1016/s0091-7435(03)00164-6.Prev Med. 2003.PMID: 14572428Clinical Trial.
Tsubono Y, Okubo S, Hayashi M, Kakizoe T, Tsugane S.Tsubono Y, et al. Among authors: okubo s.Jpn J Cancer Res. 1997 Apr;88(4):344-9. doi: 10.1111/j.1349-7006.1997.tb00387.x.Jpn J Cancer Res. 1997.PMID: 9197524Free PMC article.Clinical Trial.