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Brostrom CO, Huang YC, Breckenridge BM, Wolff DJ.Brostrom CO, et al. Among authors: wolff dj.Proc Natl Acad Sci U S A. 1975 Jan;72(1):64-8. doi: 10.1073/pnas.72.1.64.Proc Natl Acad Sci U S A. 1975.PMID: 164029Free PMC article.