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。
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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