The study was part of a larger randomized controlled trial conducted in Mexico by researchers from Emory University and local investigators.
该研究是在墨西哥进行的一个更大的随机控制实验的组成部分，研究者是埃默里大学和当地的研究者。
One of the best ways scientists have to prove cause and effect in medicine is to conduct a randomized controlled trial, in which study subjects are randomly assigned to two groups.
证明药理和药效的最好方法之一就是进行随机临床对照试验，在这个试验中其研究对象会被随机地分成两组。
Two randomized controlled trials (RCTs), one before-and-after study and two retrospective reports on clinical efficacy and safety were retrieved, together with 18 pharmacokinetic studies.
检索到与临床功效和安全性相关的两个随机对照试验(rct)、一个前后对照研究、两个回顾性报告，以及18个药物动力学研究。
For the study, Swiss researchers pooled data from 31 randomized, controlled trials, which are considered the "gold standard" of scientific evidence. The trials included more than 116,000 patients.
为了该研究，瑞士的研究人员合并了来自31个随机，控制实验，这些是被视为“金标准”科学证据。这些实验包含了超过116,000位患者。
Study Design. This study was a prospective, randomized, controlled study.
研究设计：本研究为随机，对照，前瞻性研究。
METHODS: We conducted a multicenter, randomized, double - blind, parallel - treatment, placebo - controlled study in Japan.
方法：在日本进行一项多中心随机双盲对比治疗的安慰剂对照研究。
Study Design. A cluster randomized controlled trial and economic evaluation with a 12-month follow-up and with work department as the unit of randomization.
研究设计：这是一个随机对照试验，并且我们同劳动部门一起，对随机的单位进行了随访12个月的经济效益评估。
Study Design. A randomized controlled trial with multivariable analyses of prognostic factors.
研究设计：预后因素多变量分析的随机对照试验。
Study Design. A randomized controlled trial.
研究设计：随机对照试验。
Study Design. A systematic review of randomized controlled trials.
研究设计：随机对照试验的系统评价。
Design: Completely randomized grouping design and controlled study.
设计：完全随机分组设计，对照试验。
Efficacy and Safety of Prophylactic Large Dose of Tranexamic Acid in Spine Surgery: a Prospective, Randomized, Double-Blind, Placebo-Controlled Study.
预防性大剂量氨甲环酸在脊柱外科中的疗效和安全性：一个前瞻性，随机，双盲，安慰剂对照的研究。
DESIGN: Non - randomized case controlled study based on diagnosis SETTING: Rehabilitation Medicine Department of First Affiliated Hospital of Sun Yat - sen University.
设计：以诊断为依据的非随机化同期对照研究。单位：中山大学附属第一医院康复医学科。
The double-blind, randomized, placebo-controlled study included 24 patients ages 48 to 84.
该双盲随机严格对照试验纳入了24名48到84岁的患者。
Study Design. Randomized controlled trial.
研究设计：随机对照试验。
Study Design. Randomized controlled.
研究设计：随机对照。
DESIGN:A randomized controlled single blind study.
设计：采用随机对照单盲实验研究。
Study Design: Randomized, controlled trial; Level of evidence, 1.
研究设计：随机对照研究； 循证医学级别，1级。
Study Design. A prospective, randomized controlled trial.
前瞻性的随机对照研究。
DESIGN: Completely randomized digital table and randomized controlled animal study.
设计：完全随机数字表法，随机对照动物实验。
Methods: a multicenter, randomized, double blind, and placebo controlled clinical study was performed.
方法本次为一中心，随机，双盲，安慰剂对照临床观察。
DESIGN: a randomized controlled prospective study was conducted.
设计：随机对照的前瞻性研究。
Study Design. A randomized, controlled follow-up study to review patients with acute thoracolumbar burst fractures treated by anterior instrumentation and reconstruction.
随机对照随访研究，评价前路重建加钢板固定治疗急性胸腰椎爆裂性骨折。
Design: a complete randomized grouping design, controlled study.
设计：完全随机分组设计，对照实验。
METHODS: We conducted a multicenter, randomized, double-blind, parallel-treatment, placebo-controlled study in Japan.
方法：在日本进行一项多中心随机双盲对比治疗的安慰剂对照研究。
DESIGN: a non randomized controlled study was conducted.
设计非随机对照研究。
Various forms may be employed for the study design of this phase in accordance with the specific study purpose, including randomized controlled clinical trial.
此阶段的研究设计可以根据具体的研究目的，采用多种形式，包括随机盲法对照临床试验。
Various forms may be employed for the study design of this phase in accordance with the specific study purpose, including randomized controlled clinical trial.
此阶段的研究设计可以根据具体的研究目的，采用多种形式，包括随机盲法对照临床试验。
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