Sheldon:How could there be a double-blind study? Who would be the control group?

怎么可能有双盲研究?谁来当认证结果?。

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Comparative digestibility of goats' vs. cows' milk fats in children with digestive malnutrition: a double-blind study.

比较消化率山羊与消化与营养不良：双盲研究儿童牛奶脂肪。

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We performed a double-blind, multicenter study, comparing MMX mesalamine vs placebo for the treatment of active ulcerative colitis.

我们进行了一项双盲，多中心研究，比较了美沙美拉明与美沙酮对安慰剂治疗活动性溃疡性结肠炎的疗效。

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Then, this week, the King Institute of Preventive Medicine, a flagship government hospital in the Tamil Nadu capital of Chennai, announced its intention to do a double-blind study to see how effective the neem-papaya mix is in battling dengue.

FORBES: Is Ancient 'Mocktail' The Answer To Dengue Fever?

Six years ago I was part of a consulting team that was asked by a major biotech firm to conduct a six-month long double-blind study of its sales force.

FORBES: Purpose-Driven Selling: It Beats Quota-Driven Every Time

And in a study published last year, researchers in Australia showed in a double-blind, placebo-controlled trial that subjects with suspected gluten sensitivity had substantially fewer symptoms on a gluten-free diet than control subjects who unknowingly ingested gluten.

WSJ: New Guide to Who Really Shouldn't Eat Gluten