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A novel circular-polarized antenna composed of bowtie patches, cross dipole and a power combiner is presented. Two air microstrip lines are utilized to feed the bowtie patches orthogonally. A 90-degree phase shift Wilkinson power divider is placed underneath the ground and connected to the feeds to generate circular polarization. The antenna attains an impedance bandwidth of 40.2% for return loss...
BACKGROUND & AIMS: The bioavailability of orally administered alcohol is incomplete, indicating first-pass metabolism. There is debate regarding the site of first-pass metabolism and specifically whether the stomach has the metabolic capacity to account for first-pass metabolism. The aim of this study was to assess ethanol metabolism by human gastric mucosa cells in primary culture. METHODS: Cells...
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