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Ramsden DA, Wu GE.Ramsden DA, et al.Proc Natl Acad Sci U S A. 1991 Dec 1;88(23):10721-5. doi: 10.1073/pnas.88.23.10721.Proc Natl Acad Sci U S A. 1991.PMID: 1961738Free PMC article.
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