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Reyes MB, Lorca M, Muñoz P, Frasch AC.Reyes MB, et al. Among authors: frasch ac.Proc Natl Acad Sci U S A. 1990 Apr;87(7):2846-50. doi: 10.1073/pnas.87.7.2846.Proc Natl Acad Sci U S A. 1990.PMID: 2108442Free PMC article.