We conducted a randomized trial to address this question 我们设计了一个随机试验来回答这个问题。
We performed a prospective multicenter randomized trial to compare these two treatment strategies 我们采用可预期的多中心随机实验方法来比较两种治疗方案。
The prevention of hip displacement has not been studied in a randomized trial as far as we know 据我们所知,到目前为止还没有一个随机试验用来研究预防髋关节脱位。
A randomized trial of ondansetron combined with methyprednisolone for prevention of emesis induced by chemotherapy 恩丹西酮加甲基强的松龙预防化疗所致胃肠反应的临床观察
Chinese edition of consort statement : revised recommendations for improving the quality of reports of parallel - group randomized trials 提高平行随机对照试验报告质量的建议
Stroke units in their natural habitat : can results of randomized trials be reproduced in routine clinical practice (自然居住区的中风病房:随机试验的结果与常规临床实践相附吗? )
Previous randomized trials have not focused on the subgroup of patients with clinical evidence of biliopancreatic obstruction 以前的随机试验并没有集中在具有临床依据的胆道梗阻患者。
There are multiple possible reasons for discrepant results between observational studies and large randomized trials 导致观察性研究和大规模随机临床试验结果之间不一致的可能原因有多种。
Increasingly , however , economists are finding success with a method well honed in medicine : the randomized trial 不过,透过一种医学上已经发展完善的方法:随机试验,经济学家逐渐获得了成效。
These observational findings are in contrast to earlier randomized trials of amiodarone and need to be validated prospectively 这些观察数据与以前关于胺碘酮的随机研究数据矛盾,需要进一步研究以明确。