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Tanaka K, Tilney NL, Stunkel KG, Hancock WW, Diamantstein T, Kupiec-Weglinski JW.Tanaka K, et al. Among authors: stunkel kg.Proc Natl Acad Sci U S A. 1990 Oct;87(19):7375-9. doi: 10.1073/pnas.87.19.7375.Proc Natl Acad Sci U S A. 1990.PMID: 2217171Free PMC article.