设计随机分组双盲设计。
一位发言人补充道：“这个断言得到严格设计、双盲和安慰剂对照人体研究的支持。”
A spokesman added: 'The claim was supported by well-designed, double-blind, placebo-controlled human studies.
设计：随机双盲法观察。
研究设计：前瞻性、随机化、双盲研究。
设计：完全随机双盲实验对照研究。
DESIGN: a completely randomized, double blind controlled trial was conducted.
设计：随机双盲对照实验。
方法采取平行组设计、分层随机、双盲、多中心临床试验方法。
Methods parallel group, stratified randomization, double blinded, muti-center clinical trail was designed.
本研究是采取随机、双盲、交叉试验设计。
This study was designed as randomized, double-blind and crossover trials.
方法按随机、双盲、安慰剂对照严格设计，对乙型肝炎疫苗接种11年后效果及免疫记忆进行观察。
Methods The study was strictly designed with randomization, double blinding, and placebo controlled method to observe the efficacy and immune memory 11 years following hepatitis B vaccination.
方法：采用随机、双盲、安慰剂平行组对照、剂量反应研究设计和优效性检验。
METHODS: Cortex fraxini total coumarin was involved in a randomized, double-blind, placebo parallel control, dosage-reaction design and superiority test.
研究设计和方法：对在案的糖耐量正常的冠心病患者进行前瞻性，随机，双盲的研究。
Research Design and Methodsrospective, randomized, double-blind study on patients with documented stable coronary artery disease and normal glucose tolerance.
研究设计与方法本研究为一项双盲、随机、交叉试验。
RESEARCH DESIGN and METHODS This was a double-blind, randomized, crossover trial.
设计：本研究采用双盲、随机、对照方法。
方法本研究为随机双盲、平行对照、多中心实验设计，符合研究方案、需要肠外营养的住院病人161例进入本研究。
Methods It is a randomized double-blind parallel controlled multiple-centered clinical study design. The inpatients 161 cases who accorded program and needed parental nutrition enter this study.
方法：采用随机、对照、双盲、双模拟、多中心试验设计方法。
METHODS: The trial design was randomized, double blind, double modeling and multiple center.
方法采用前瞻性、双盲随机对照试验设计，以加替沙星为对照药，试验组32例，对照组28例。
Methods take forward looking and double-blind methods with 32 cases in test group and 28 cases in control group.
方法多中心随机、双盲、阳性药物对照、左右半口对照设计。
Methods Multi-center randomized double-blind trial with positive control and split-mouth comparison was designed.
研究设计和方法对于患有慢性足部溃疡的糖尿病患者，超高压氧气疗法（HODFU）研究采用了随机分组、单中心、双盲、安慰剂对照的临床试验。
RESEARCH DESIGN AND METHODS The Hyperbaric Oxygen Therapy in Diabetics with Chronic Foot Ulcers (HODFU) study was a randomized, single-center, double-blinded, placebo-controlled clinical trial.
方法：采用双盲、随机、平行对照试验设计，以进口头孢美唑钠为对照药物。
Methods: a clinical trial by randomized, double-blind, parallel control was conducted. The control drug was imported cefmetazole.
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 prospective multi-center, randomized , double blind, controlled clinical trial of serrapeptase enteric-coated tablets was conducted.
所有研究均为随机、空白- 对照、双盲的平行设计试验。
All the sub-studies were randomized, placebo-controlled, double-blind and had a parallel-group design.
所有研究均为随机、空白- 对照、双盲的平行设计试验。
All the sub-studies were randomized, placebo-controlled, double-blind and had a parallel-group design.
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