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Walter MH, Grima-Pettenati J, Grand C, Boudet AM, Lamb CJ.Walter MH, et al.Proc Natl Acad Sci U S A. 1988 Aug;85(15):5546-50. doi: 10.1073/pnas.85.15.5546.Proc Natl Acad Sci U S A. 1988.PMID: 3041415Free PMC article.