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

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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The afferent connections of the vertical limb of the diagonal band nucleus ( VDB) in the rat were studied with HRP and WGA-HRP methods.

用HRP法研究了VDB的传入联系。

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