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As access control with obligatory constraints is critical to assuring system accountability, research on the specification and monitoring of obligation policy has gained increasing attention. However, a correctly specified obligation policy may be implemented incorrectly for various reasons, such as programming errors. This paper presents a model-based(More)
ABT-089 is a potent, selective neuronal cholinergic channel modulator with cognition enhancing activity in several animal paradigms. A simple and sensitive chromatographic method for the specific determination of ABT-089 in human plasma has been developed and validated. The method utilizes in situ precolumn fluorescence derivatization of the sample with(More)
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