Tarık Tayfur Kefeli

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Treatments with bismuth-containing quadruple therapy (QT), sequential therapy (ST), or concomitant therapy (CT) have been proposed as empirical first-line regimens for Helicobacter pylori. We compared the efficacy and tolerability of 10 days bismuth-containing quadruple QT, 10 days ST, and 10 days CT with as first-line treatments for H. pylori in a(More)
This paper describes the design and setup of different measuring systems for the calibration of both voltage and current transducers which are recently developed at VSL, PTB, and TUBITAK. The output levels of non-conventional transducers are adapted to traditional levels using step-up and step-down converters so that they can be measured using traditional(More)
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