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