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Lu G, DeLisle AJ, de Vetten NC, Ferl RJ.Lu G, et al. Among authors: ferl rj.Proc Natl Acad Sci U S A. 1992 Dec 1;89(23):11490-4. doi: 10.1073/pnas.89.23.11490.Proc Natl Acad Sci U S A. 1992.PMID: 1454838Free PMC article.