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Tezuka T, Umemori H, Akiyama T, Nakanishi S, Yamamoto T.Tezuka T, et al. Among authors: nakanishi s.Proc Natl Acad Sci U S A. 1999 Jan 19;96(2):435-40. doi: 10.1073/pnas.96.2.435.Proc Natl Acad Sci U S A. 1999.PMID: 9892651Free PMC article.