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Nakano T, Oka K.Nakano T, et al.Cancer. 1991 Aug 1;68(3):517-23. doi: 10.1002/1097-0142(19910801)68:3<517::aid-cncr2820680312>3.0.co;2-9.Cancer. 1991.PMID: 2065270
Nakano T, Oka K.Nakano T, et al.Cancer. 1993 Oct 15;72(8):2401-8. doi: 10.1002/1097-0142(19931015)72:8<2401::aid-cncr2820720818>3.0.co;2-d.Cancer. 1993.PMID: 8402456