نتایج جستجو برای: variation center introduction
تعداد نتایج: 923117 فیلتر نتایج به سال:
INTRODUCTION Several single-center studies and meta-analyses have shown that perioperative goal-directed therapy may significantly improve outcomes in general surgical patients. We hypothesized that using a treatment algorithm based on pulse pressure variation, cardiac index trending by radial artery pulse contour analysis, and mean arterial pressure in a study group (SG), would result in reduc...
INTRODUCTION A main obstacle that impedes standardized clinical and research applications of arterial spin labeling (ASL), is the substantial differences between the commercial implementations of ASL from major MRI vendors. In this study, we compare a single identical 2D gradient-echo EPI pseudo-continuous ASL (PCASL) sequence implemented on 3T scanners from three vendors (General Electric Heal...
At present there is a degree of uncertainty regarding when, how and in what form gluten should be introduced into the infant diet. For years the recommendations of the ESPGHAN Committee on Nutrition have prevailed, which include avoiding early introduction, before 4 months, and late, after 7 months, and gradually introducing gluten into the diet while the infant is being breastfed, with the aim...
Statistical mechanics deals with systems having a large number of particles. In statistical mechanics, large scale properties (such as temperature, pressure etc) are studied by applying probability theory to a large number of small particles. Hence this is a probabilistic theory and the behaviour of all of the system is studied using the average individual behaviour of particles. With small num...
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