Randomized controlled trials carry more weight. 随机对照试验更有信服力。
A randomized controlled trial on interruption of HBV transmission in uterus 阻断乙型肝炎病毒宫内传播的随机对照研究
In a randomized controlled trial, one group will receive a maximal intervention. 随机控制试验中，有一组会接受最大干预。
A randomized controlled trial of preventive antibiotics used for esophageal operations. 食管手术预防性抗生素使用的随机对照研究。
Design of a randomized controlled trial within a comprehensive prognostic cohort study. 设计随机对照试验在一个全面的预后的队列研究。
Clinically randomized controlled study of acupuncture and moxibustion for treatment of postoperative hiccup. 针灸疗法治疗术后呃逆症的临床随机对照研究
A double blind randomized controlled clinical trial of butenafine in treatment of 67 patients with tinea pedis 布替萘芬擦剂治疗足癣67例的随机双盲对照多中心临床试验
Randomized Controlled Clinical Study on Effect of Pushing Epiglottis Cartilage in Treating Infant Functional Vomiting 董氏指压法治疗婴儿吐乳症随机对照临床研究
Comment on Literatures of Clinical Randomized Controlled Trials of Traditional Chinese Medicine for Acute Myocardial Infarction 我国中医药治疗急性心肌梗死临床试验文献的质量评价
A Randomized Controlled Observation of Paroxetine in Treating Depression State Patients with Chronic Degenerative Arthritic Pains 帕罗西汀治疗慢性退行性关节疼痛伴发抑郁状态的研究