AbstractObjectiveThis study aimed to compare and discuss the economic value of the traditional and new diagnosis approach to VVS in children.

At present, head up tilt test is the gold standard for the diagnosis of VVS.

目前认为直立倾斜试验（HUT）是诊断VVS的金标准。

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Conclusion: Tilt test in diagnosing of VVS is safe and effective.

结论倾斜试验诊断血管迷走性晕厥安全有效。

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Objective: To investigate clinical features and analyse defect gene transmission in a severe vWD pedigree.

目的：研究重症血管性血友病（vWD）患者家系成员临床表型特征，并分析血管性血友病因子（vWF）基因缺陷的传递规律。

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Conclusions Combination of the tests is qualified for the diagnosis of vWD.

C2327S突变影响多聚体形成。结论：本研究建立的方法和推荐的组合实验适合于绝大多数vWD患者的诊断和分型需要。

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Clinical and genetic analysis of a severe vWD pedigree

一个重症vWD家系临床与基因分析

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The pathogenesis of VWD type 2A includes two mechanisms.

其中，2A型突变在发病机制方面分为两组突变类型。

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Different classifications and subtypes of vWD have different molecular pathogenesis.

遗传性vWD的不同分类及亚型分型具有不同的分子发病机制。

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The exon 28 of authenticity vWF gene was studied by PCR, denaturing gradient gel electrophoresis ( DGGE) and sequencing in the type 2A vWD.

对2A型血管性血友病的患者用多聚酶链反应、变性梯度凝胶电泳，结合测序的方法进行了基因突变的研究。

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Conclusion: The Msp ⅰ and Rsa ⅰ RELPs of vWF gene are useful for genetic counseling and prenatal diagnosis of vWD in Chinese Han people.

结论：在我国汉族人中，在vWF基因的5′端存在MspⅠ和RsaⅠ的多态性位点，可用于血管性血友病的遗传咨询和产前诊断。

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The research of Visual Working Memory ( VWM) is a hotspot of psychology, these research are mainly focus on the object information storage, however, research focus on recognition of object feature information is insufficient.

视觉工作记忆是目前心理学界研究的热点问题，此方面的研究主要集中在客体视觉工作记忆中的信息存储上，但对客体视觉工作记忆中的特征信息识别的研究甚少。

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Experiment 2 surveyed whether the size of circles would affect memory performance, by taking Contralateral Delay Activity ( CDA) as an index to reflect the representation maintenance in VWM.

实验二以反映视觉工作记忆存储过程的CDA为指标，比较了圆形的大小是否影响其在工作记忆中的存储绩效。

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VDS was calculated according to coronary angiography. Ventricular wall motion score ( VWM scale), MCE scale and SPECT scales were calculated.

分析冠状动脉造影前后的VDS，根据MCE图像分析栓塞前后室壁运动（VWM）积分及MCE积分，并利用心肌SPECT图像分析栓塞前后左室壁SPECT积分。

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Visual Working Memory ( VWM) is a popular research question in cognitive psychology.

视觉工作记忆是当前认知心理学的研究热点之一。

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If VAO expands into over-autonomy which is beyond the expectation of government or ignores the national policy for the sake of local interest, the government will be subjected to loss.

如果农村村民自治组织的行为超出了政府的预期范围，过度自治化，只顾本地区的利益而忽视国家的政策，政府将蒙受损失。

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For college English major ′ s students, the VAO ( video-aural-oral) course is an important teaching ingredient.

高校英语专业开设的视听说教学是英语专业学生的一门重要课程。

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Improving Effects of Vitamin A-enriching Oil ( VAO) on the Immune Function in Rats

维生素A强化食用油改善大鼠免疫功能的实验研究

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One day, I see my friend Vaz and his older sister, Teresa.

一天，我碰到了我的朋友Vaz和他的姐姐Teresa。

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Just as Fernandes attempted to play down the inevitable expectations which accompany highly-rated youngsters, Vaz te is adamant that Nani will need time to adapt to life in the Barclays Premier league.

正如费尔南德斯努力尝试降低别人对纳尼的高度期望，瓦斯特也强调纳尼需要时间来适应英超。

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The projections of MS VDB to ventral hippocampus are chiefly noncholinergic, both ventral hippocampal noncholinergic and cholinergic projections arise predominantly from MS.

腹侧海马来自内侧隔核和斜角带垂直部的投射主要是非胆碱能的，其非胆碱能和胆碱能均主要来自内侧隔核。

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Results Compared with those in control group, the numbers of NOS-IR neurons in MS and vDB of castrated group significantly increased by 37.2% and 29.1% ( P < 0.05), respectively;

结果与对照组相比较，去势组大鼠MS、vDB的NOS阳性神经元数分别明显升高了372%和291%（P<005）；

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