用“placebo controlled”造句大全，placebo controlled造句

Many of these benefits have been proven repeatedly in double blind, placebo controlled studies, some only noted in a limited number of test subjects.

The answer is the "gold standard" double blind, placebo controlled study.

Antioxidant supplementation for the prevention of kwashiorkor in Malawian children: Randomised, double blind, placebo controlled trial

The study was a double blind placebo controlled study adequately powered for OS as primary end-point.

So, in fact, this double blind placebo controlled study does not guarantee safety or efficacy because the test leaves far too many questions unanswered.