Methods A randomized double-blind parallel controlled clinical trial was conducted.
方法本研究采用随机、双盲、平行对照的临床研究方法。
Methods: a randomized double-blind controlled clinical trial (RCT) was conducted.
方法：随机双肓对照临床试验(rct)。
Methods: A randomized and double-blind controlled clinical trial was conducted for smoking cessation.
方法：采用随机、双盲、安慰剂平行对照研究。
METHODS: It was a randomized, double blind, double model, parallel controlled clinical trial.
方法：采用随机、双盲双模拟、平行对照方法。
METHODS: A prospective multi-center, randomized , double blind, controlled clinical trial of serrapeptase enteric-coated tablets was conducted.
方法：用前瞻性随机双盲双模拟对照多中心试验设计，以进口舍雷肽酶肠溶片为阳性对照药。
METHODS: a randomized, double-blind, controlled and dosage-adjusted clinical trial was conducted.
方法：采用随机、双盲、对照、剂量可调整性研究。
Objective:This randomized, double-blind, zopiclone-controlled, multi-center clinical trial assessed the efficacy and safety of eszopiclone in treating patients with primary insomnia.
目的：评估新研发的右旋佐匹克隆治疗失眠症的疗效和安全性。
Objective:This randomized, double-blind, zopiclone-controlled, multi-center clinical trial assessed the efficacy and safety of eszopiclone in treating patients with primary insomnia.
目的：评估新研发的右旋佐匹克隆治疗失眠症的疗效和安全性。
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