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Richardson JS, Getzoff ED, Richardson DC.Richardson JS, et al. Among authors: richardson dc.Proc Natl Acad Sci U S A. 1978 Jun;75(6):2574-8. doi: 10.1073/pnas.75.6.2574.Proc Natl Acad Sci U S A. 1978.PMID: 275827Free PMC article.
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