منابع مشابه
CLINICAL MANIFESTATIONS AND DIAGNOSIS OF CELIAC DISEASE IN CHILDREN
Celiac disease (CD) is defined as a permanent intolerance to gluten with clinical manifestations and abnormal small intestinal mucosa. A case series study was performed to obtain information about clinical manifestations, age of presentation and diagnosis of CD. For this purpose, hospital records of patients who were admitted to the gastrointestinal ward in the Children's Medical Center from 1...
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Three children with left atrial myxomas are described. All suffered major arterial occlusion with consequent permanent morbidity before the diagnosis was made and the tumour removed. Each child had had previous small embolic phenomena. In two, the diagnosis was made by ultrasound. In any child who has had an arterial embolus without obvious cause, a left atrial myxoma should be considered and l...
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A 2 years and 9 months old boy attended to a gastroenterology clinic of pediatric hospital for investigation of recurrent and intractable vomiting. He had post prandial, non-projectile, non-bilious emesis since past 2 years. Since the onset of illness, he was carried to many doctors and underwent extensive laboratory investigations. Because all of the science lab and imaging work up for etiolog...
متن کاملLaser Ultrasonics in Cylindrical Rods and Fibers
Cylindrical parts are widely used in industry at very different scales from rotating axis for engines to carbon fibres used in composite materials. Consequently, an increasing demand exists for their nondestructive evaluation. The laser ultrasonics technique providing a non-contact generation and detection process is suited for the study of acoustic waves in cylindrical structures. In previous ...
متن کاملPredictive simulation of nonlinear ultrasonics
Most of the nonlinear ultrasonic studies to date have been experimental, but few theoretical predictive studies exist, especially for Lamb wave ultrasonic. Compared with nonlinear bulk waves and Rayleigh waves, nonlinear Lamb waves for structural health monitoring become more challenging due to their multi-mode dispersive features. In this paper, predictive study of nonlinear Lamb waves is done...
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ژورنال
عنوان ژورنال: Journal of Neurology, Neurosurgery & Psychiatry
سال: 1973
ISSN: 0022-3050
DOI: 10.1136/jnnp.36.4.692-b