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Aboul-Ela N, Jacobson EL, Jacobson MK.Aboul-Ela N, et al. Among authors: jacobson mk, jacobson el.Anal Biochem. 1988 Oct;174(1):239-50. doi: 10.1016/0003-2697(88)90541-6.Anal Biochem. 1988.PMID: 3218735