Study Design. A randomized controlled trial.

研究设计：随机对照试验。

youdao

So, we can rule out a randomized controlled experiment.

因此，我们可以将随机对照实验排除在外。

youdao

A randomized controlled trial of preventive antibiotics used for esophageal operations.

食管手术预防性抗生素使用的随机对照研究。

youdao

The treatment was common until a randomized controlled trial proved it was actually harming women.

FORBES

It is a randomized controlled study, meaning that similar patients were assigned at random to either get either Centrum or placebo.

FORBES: Do Vitamins Prevent Cancer? The Answer Will Give You Whiplash

More substantial and convincing support for such a recommendation to eat cherries as a way to reduce gout flares would ideally emerge from a randomized controlled clinical trial.

FORBES: Can Eating Cherries Prevent Gout Attacks?