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Liquid chromatography with electrospray ionization mass spectrometry for the quantitative determination of famotidine in human urine, maternal and umbilical cord plasma was developed and validated.(More)
A liquid chromatography in tandem with electro-spray ionization mass spectrometry method has been developed and validated for the quantitative determination of bupropion and its major metabolites(More)
This study assessed the prevalence of H. pylori infection in children with recurrent abdominal pain attending the Outpatient Pediatric Clinic of Zagazig University Hospitals. The study was conducted(More)
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