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Liou HH, Zhou SS, Huang CL.Liou HH, et al. Among authors: huang cl.Proc Natl Acad Sci U S A. 1999 May 11;96(10):5820-5. doi: 10.1073/pnas.96.10.5820.Proc Natl Acad Sci U S A. 1999.PMID: 10318968Free PMC article.