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Kavanaugh-Black A, Connolly DM, Chugani SA, Chakrabarty AM.Kavanaugh-Black A, et al. Among authors: chakrabarty am.Proc Natl Acad Sci U S A. 1994 Jun 21;91(13):5883-7. doi: 10.1073/pnas.91.13.5883.Proc Natl Acad Sci U S A. 1994.PMID: 8016083Free PMC article.