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Hadwiger JA, Wittenberg C, Richardson HE, de Barros Lopes M, Reed SI.Hadwiger JA, et al. Among authors: reed si.Proc Natl Acad Sci U S A. 1989 Aug;86(16):6255-9. doi: 10.1073/pnas.86.16.6255.Proc Natl Acad Sci U S A. 1989.PMID: 2569741Free PMC article.