Randomized, there are placebo-controlled, double-blind, multi-center clinical trials to prove efficacy is a reliable method.

随机分组、有安慰剂对照、双盲、多中心的临床试验，才是证明疗效的可靠方法。

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Atthe time of this writing, clinical performance data are pending from amultitude of ongoing single and multi center trials to establish the role of CT perfusion in the diagnostic algorithm of CAD.

正当撰写这篇文章的时候，来自众多的单和多中心测试进行中的临床性能数据正期待着CT灌注在CAD诊断方法中所起的作用。

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This website provides basic information about the center and its research, education, and clinical trials etc.

该网站提供该中心及其研究，教育，和临床试验等方面的基本信息。

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Dr.Leslie Miller at Washington Hospital Center is involved in clinical trials of heart pumps, including this one that the U.S.Food and Drug Administration has approved as a device that can permanently replace the heart for patients who are too old to be considered for a heart transplant.

VOA: standard.2010.01.27

Piper Cancer Center Clinical Trials at Scottsdale Healthcare in Arizona and Physician-In-Chief of The Translational Genomics Research Institute (TGEN).

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Anderson Cancer Center who has worked in clinical trials with Erbitux.

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The brain tumor research center at Duke is conducting several clinical trials in malignant glioma.

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