phase Ⅲ randomized clinical trial
clinical trial phase II design
randomized clinical trial
随机对照试验
血糖控制
随机,对照,临床试验
随机临床对照试验
随机临床试验
ac nominal phase-phase potential transformer
phase Ⅰ clinical trials
phase Ⅱ clinical trials
Phase II clinical trial
phase of clinical trial
phase randomized technique