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Dayer JM, Krane SM, Russell RG, Robinson DR.Dayer JM, et al.Proc Natl Acad Sci U S A. 1976 Mar;73(3):945-9. doi: 10.1073/pnas.73.3.945.Proc Natl Acad Sci U S A. 1976.PMID: 176663Free PMC article.
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