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Perlmutter DH, Cole FS, Kilbridge P, Rossing TH, Colten HR.Perlmutter DH, et al.Proc Natl Acad Sci U S A. 1985 Feb;82(3):795-9. doi: 10.1073/pnas.82.3.795.Proc Natl Acad Sci U S A. 1985.PMID: 3871944Free PMC article.