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Traber MG, Ramakrishnan R, Kayden HJ.Traber MG, et al. Among authors: kayden hj.Proc Natl Acad Sci U S A. 1994 Oct 11;91(21):10005-8. doi: 10.1073/pnas.91.21.10005.Proc Natl Acad Sci U S A. 1994.PMID: 7937827Free PMC article.Clinical Trial.