The literatures of non randomized study were excluded, and those of non blinded study were not excluded.
排除非随机研究原著性文献，未排除非盲法研究原著的文献。
Patients received study medication through week 30 and could continue in a blinded study extension through week 50.
病人接受研究药物治疗30周，并可继续留在盲法扩展研究中直至50周。
Methods: Single blinded study was conducted in 38 aged ma le with KDS, who were randomly divided into 2 groups treated with WZYZP and placebo respectively for 3 months.
方法：38例男性老年肾虚者采用单盲法，随机分为五子衍宗丸治疗组和安慰剂对照组，服药3个月。
Mr Gaddis disagrees. He closes his study by condemning Kennan for having "blinded" himself to the fact that, in Mr Gaddis's opinion, Reagan brought Kennan's "strategy to its successful conclusion".
盖迪斯并不同意这样的观点，他在结稿部分谴责凯南被这样一个现实所蒙蔽- - -以盖迪斯的观点来说- - -里根“引进了凯南的战略，并将其成功的运用到了自己的‘结论’里”。
There is only one small, "un-blinded" study without placebos or control subjects that advocates point to as evidence that smokeless tobacco works as a smoking cessation aid.
只有小部分人支持非盲法研究没有对照或者控制组，并认为无烟烟草有助于戒烟。
Researchers cautioned that this was an observational study that does not necessarily carry the same scientific weight as a blinded clinical trial.
研究者警示，这种观察研究与临床试验未必有同样的科学意义。
DESIGN: a complete randomized double blinded grouping study was conducted.
设计：完全随机、双肓法分组研究。
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.
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。
Observer variability by the study pathologists was assessed through two blinded diagnostic rounds on 437 biopsies from 26 random study endoscopies.
对26个随机内镜研究中的437例活检标本进行两轮双盲诊断，评估病理医师诊断差异性。
Investigators were not blinded to the study group assignment, but caregivers responsible for the infants' care and for feeding protocol performance were not part of the investigation.
研究者知晓研究分组情况，但负责婴儿护理和喂养的人员不参与研究。
Methods: The study used a random, single-blinded and follow-up research.
方法：采用随机单盲随访研究。
Although the study was open label, the assessment of outcome events was blinded.
尽管这项研究是标签公开的，结果的评估是盲目的。
METHODS. : Six neuroradiologists were blinded to the study design and were asked to interpret 79 cervical MRIs.
方法：6名神经放射医生对研究设计不知情并解释79张颈椎MRI片。
METHODS. : Six neuroradiologists were blinded to the study design and were asked to interpret 79 cervical MRIs.
方法：6名神经放射医生对研究设计不知情并解释79张颈椎MRI片。
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