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Giavedoni LD, Jones L, Gardner MB, Gibson HL, Ng CT, Barr PJ, Yilma T.Giavedoni LD, et al. Among authors: yilma t.Proc Natl Acad Sci U S A. 1992 Apr 15;89(8):3409-13. doi: 10.1073/pnas.89.8.3409.Proc Natl Acad Sci U S A. 1992.PMID: 1565633Free PMC article.