نتایج جستجو برای: tof and esi
تعداد نتایج: 16829797 فیلتر نتایج به سال:
objective(s): the present study was conducted to examine whether the standardized uptake value (suv) may be affected by the spatial position of a lesion in the radial direction on positron emission tomography (pet) images, obtained via two methods based on time-of-flight (tof) reconstruction and point spread function (psf). methods: a cylinder phantom with the sphere (30mm diameter), located in...
Background and Purpose: The emergency severity index (ESI) triage system has been recommended by the Ministry of Health to classify patients at emergency departments. This study aimed to assess the validity of ESI system (version 4) in the emergency department of a teaching hospital. Outcome measures were hospitalization, emergency department (ED) length of stay, resource consumption, in-hos...
BACKGROUND Coptis chinensis Franch is a traditional Chinese medical herb. OBJECTIVE In this article, ultra-performance liquid chromatography coupled with quadrupole time-of-flight mass spectrometry was used to rapidly, qualitatively, and comprehensively identify the components in Coptis chinensis Franch. MATERIALS AND METHODS Chromatographic separation was achieved on an Agilent Zorbax RRHD...
Background and Objective: Due to fears of postoperative complications following upper gastrointestinal surgeries (UGI), fasting before bowl function recovery is a traditional practice, but fasting following elective surgery is controversial. The aim of this study was to compare early oral feeding versus traditional oral feeding in patients who underwent UGI surgeries. Materials and Methods: Fif...
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