نتایج جستجو برای: دستورالعمل dus
تعداد نتایج: 3391 فیلتر نتایج به سال:
OBJECTIVES Increasing interest in foam sclerotherapy (FS) for saphenous insufficiency has highlighted the need to study the side-effects and complications of this treatment. The aim of this study is to better assess their nature and incidence. METHODS A multicentre, prospective and controlled study was carried out in which patients treated with FS for great (GSV) and small saphenous veins (SS...
BACKGROUND Fetal cardiovascular magnetic resonance (CMR) imaging may provide a valuable adjunct to fetal echocardiography in the evaluation of congenital cardiovascular pathologies. However, dynamic fetal CMR is difficult due to the lack of direct in-utero cardiac gating. The aim of this study was to investigate the effectiveness of a newly developed Doppler ultrasound (DUS) device in humans fo...
This paper considers various estimation methods to estimate the unknown parameters of DUS Inverse Weibull (DIW) distribution using maximum likelihood (ML), least squares (LS), weighted (WLS), Cramer-von Mises (CVM) and Anderson-Darling (AD) estimators. A Monte-Carlo simulation study is conducted determine most preferable estimators in terms their efficiencies. Furthermore, error simple linear r...
BACKGROUND Neonatal instability of the hip (NIH), where the femoral head can move away from the acetabulum, in the first weeks of life, is an important risk factor for developmental dysplasia of the hip (DDH). In rural areas in Australia, there is a recent trend to increased late diagnosis of DDH. Clinical screening of infant hips, a common practice in Australia, is experience dependent. Best p...
The aim of this study was to characterize the current molecular epidemiology of hepatitis C virus (HCV) infection and evaluate the evolutionary patterns of HCV subtypes in Beijing, China, among different subpopulations.The whole blood samples and behavioral data were collected from a total of 10,354 subjects, including drug users (DUs), men who have sex with men (MSM), and the general populatio...
BACKGROUND Substance use is increasingly becoming prevalent on the African continent, fueling the spread of HIV infection. Although socio-demographic factors influence substance consumption and risk of HIV infection, the association of these factors with HIV infection is poorly understood among substance users on the African continent. The objective of the study was to assess socio-demographic ...
Tot dusver is baie min navorsing wat konsentreer op die spesifieke probleme wat deur Internet kledingverbruikers ondervind word, gedoen. Wanneer kledingitems aangekoop word, is waargenome kwaliteit ‘n belangrike faktor wat keuses en besluitneming beïnvloed. ‘n Gids om kwaliteit visueel te beoordeel behoort dus van waarde te wees, veral vir die verbruiker wat sy/ haar aankope op die Internet doen.
هدف از این پژوهش تعیین تأثیر نوع جلب توجه بر عملکرد مهارتهای حرکتی مستلزم تولید نیروی (نزدیک به) بیشینه بود. در این آزمایش 28 دانشجوی دختر راستدست با تجربه کم در مهارت پرتاب وزنه به صورت داوطلبانه انتخاب و بر اساس مسافت پرتاب در پیشآزمون (شامل سه کوشش) به دو گروه توجه درونی و بیرونی تقسیم شدند. از آزمودنیها خواسته شده بود که با استفاده از تکنیک اوبراین وزنه را پرتاب کنند. آزمایش در سه جلسه ...
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