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Cech JM, Freeman RB Jr, Caro JF, Amatruda JM.Cech JM, et al. Among authors: caro jf.Biochem J. 1980 Jun 15;188(3):839-45. doi: 10.1042/bj1880839.Biochem J. 1980.PMID: 7008780Free PMC article.