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Gutierrez-Alcala G, Gotor C, Meyer AJ, Fricker M, Vega JM, Romero LC.Gutierrez-Alcala G, et al. Among authors: vega jm.Proc Natl Acad Sci U S A. 2000 Sep 26;97(20):11108-13. doi: 10.1073/pnas.190334497.Proc Natl Acad Sci U S A. 2000.PMID: 10995473Free PMC article.