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A sensitive method is described for the simultaneous determination of glycyrrhizin and glycyrrhetic acid in human plasma. Quantitation is by high-performance liquid chromatography using ion-pair(More)
Between 1986 and 1989 a single strain of a methicillin- and multiply-resistantStaphylococcus aureus caused three distinct outbreaks at Utrecht University Hospital, involving 11, 19 and 32 patients,(More)