在一项four - arm、随机双盲临床试验中，研究人员征集了89例中度至重度潮热的妇女。
The researchers enrolled 89 women with moderate to severe hot flashes in a four-arm, randomized, double-blind clinical trial.
本文报告58例伊索显280与欧乃派克300脑血管造影对比随机双盲临床试验，其中30例应用伊索显280,28例应用欧乃派克300实验。
This paper reports a randomized double-blind clinical trial of two kinds of X-ray contrast media, Isovist 280 (30 cases) and Omnipaque 300 (28 cases), for cerebral angiography in 58 patients.
方法以国产马来酸氨氯地平为对照药，在轻度至中度高血压病人中进行多中心、随机、双盲、平行、活性对照的临床试验。
Methods The multicenter, double-blind, random samples, active-controlled study has been processed in the mild to moderate hypertensive patients, and maleic acid amlodipine as the controll drug.
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