Design, Setting, and patients Multicenter, randomized controlled trial among 2331 medically stable outpatients with heart failure with left ventricular ejection fraction of 35% or less.
试验设计、设定与病人多中心随机对照试验，2331名医学上稳定的门诊心衰患者，左心室射血分数小于等于35%。
Methods a multicenter, double-blind, randomized controlled trial was conducted.
方法用多中心随机双盲对照试验。
Methods. We conducted a randomized controlled multicenter clinical trial enrolling patients with cervical disc disease.
方法：作者进行了关于颈间盘疾病患者的随机对照、多中心的临床试验。
Multicenter Randomized Controlled Trial of Conventional Versus Laparoscopic Surgery for Colorectal Cancer Within an Enhanced Recovery Programme: EnROL.
【译】传统与腹腔镜结直肠癌手术在提高采收率计划对照的多中心随机：招。
Multicenter Randomized Controlled Trial of Conventional Versus Laparoscopic Surgery for Colorectal Cancer Within an Enhanced Recovery Programme: EnROL.
【译】传统与腹腔镜结直肠癌手术在提高采收率计划对照的多中心随机：招。
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