نتایج جستجو برای: prior
تعداد نتایج: 243141 فیلتر نتایج به سال:
Background Cure rates for chronic hepatitis C have improved dramatically with direct-acting antivirals (DAAs), but treatment barriers remain. We aimed to compare treatment initiation rates and barriers across both interferon-based and DAA-based eras. Methods We conducted a retrospective cohort study of all patients with chronic hepatitis C seen at an academic hepatology clinic from 1999 to 20...
repetitive episodes of brief regional ischemia have been shown to reduce the severity of life-threatening ventricular anhythrnias and infarct size that occur during prolonged occlusion of the coronary artery. this phenomenon is known as ischemic preconditioning. during studies in anesthetized, open chest wistar rats, we accidentally observed that poorly ventilated animals had a reduced severity...
Abstract Stressful life events are seen frequently, prior to suicide in persons who attempted. This study was done to survey problematic life events prior to suicide attempt in patients who had been admitted in emergency ward of Razi Hospital in Rasht 2001. To achieve this goal , 173 patients who had been admitted due to suicide attempt were interviewed by two trained male and female general ...
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The dark channel prior (DCP) technique is an effective method to enhance hazy images. Dark channel is an image with the same size as the hazy image which represents the haze severity in different places of the image. The DCP method suffers from two problems: it is incapable for removing haze from smooth regions, causing blocking effects on these areas; it cannot properly reduce a haze with a no...
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