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King CE, Hawkins PT, Stephens LR, Michell RH.King CE, et al. Among authors: stephens lr.Biochem J. 1989 May 1;259(3):893-6. doi: 10.1042/bj2590893.Biochem J. 1989.PMID: 2543372Free PMC article.
King CE, Stephens LR, Hawkins PT, Guy GR, Michell RH.King CE, et al. Among authors: stephens lr.Biochem J. 1987 May 15;244(1):209-17. doi: 10.1042/bj2440209.Biochem J. 1987.PMID: 2821998Free PMC article.