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Turpeenniemi-Hujanen TM, Puistola U, Kivirikko KI.Turpeenniemi-Hujanen TM, et al. Among authors: kivirikko ki.Biochem J. 1980 Aug 1;189(2):247-53. doi: 10.1042/bj1890247.Biochem J. 1980.PMID: 6779811Free PMC article.