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Lucey DR, Nicholson-Weller A, Weller PF.Lucey DR, et al. Among authors: weller pf.Proc Natl Acad Sci U S A. 1989 Feb;86(4):1348-51. doi: 10.1073/pnas.86.4.1348.Proc Natl Acad Sci U S A. 1989.PMID: 2919183Free PMC article.