灰色文献是一种具有重要情报价值的信息源。
Grey literature is a kind of important and valuable information recourse.
这五篇一致显示已出版的临床试验的疗效比灰色文献的大。
All five studies showed that published trials showed an overall greater treatment effect than grey trials.
关于灰色文献在方法学上的品质是否较差﹐没有足够的证据。
There is limited evidence to show whether grey trials are of poorer methodological quality than published trials.
本回顾显示﹐已出版的临床试验其规模及整体疗效较灰色文献为大。
This review shows that published trials tend to be larger and show an overall greater treatment effect than grey trials.
加强和重视灰色文献资源的建设和管理已成为图书馆工作的重要内容。
To strengthen and value the construction and management of the gray literature resources has become the important content of the college library work.
灰色文献最常见的型式为摘要(55%)及未出版的资料(30%)。
The most common types of grey literature were abstracts (55%) and unpublished data (30%).
介绍医学灰色文献的类型与特点，提出医学灰色文献的开发利用模式。
The paper introduces the types and characteristics of medical gray literatures, points out development and utilization modes about it.
阐述了在网络环境下灰色文献的含义和特点，以及如何对其进行有效收集利用。
The paper describes the concept and characteristics of the grey literature resources on the Internet and introduces the way of collecting and utilizing the grey literature available.
其重要意涵为：文献回顾者应确实找出灰色文献一并回顾，以降低引进偏差的风险至最低。
This has important implications for reviewers who need to ensure they identify grey trials, in order to minimise the risk of introducing bias into their review.
凡探索灰色文献对随机临床试验统合分析结果之影响的相关研究，收集并进行系统性的回顾。
To review systematically research studies, which have investigated the impact of grey literature in meta-analyses of randomized trials of health care interventions.
本文讨论了灰色文献的内涵、类型及其重要情报价值，分析了灰色文献的特点，阐述了开发利用灰色文献的方式方法。
Discusses the concept, characteristics, types and special information value of gray literature, analyzes the development and use of gray literature.
本文分析了灰色文献的涵义、特点，提出高校图书馆开发灰色文献的途径，并对灰色文献的管理和利用作了详细的论述。
By analyzing the implication and characteristics of gray literature, this paper discusses in detail management and exploitation of gray literature in the university library.
在省情资料中，“灰色文献”，无论就其数量还是其重要性而言，都占有特殊的地位，起着公开出版的文献不可替代的作用。
For provincial data, both in volume and importance, "Gray literature" plays an important role and unique status which published literature cannot reach.
在省情资料中，“灰色文献”，无论就其数量还是其重要性而言，都占有特殊的地位，起着公开出版的文献不可替代的作用。
For provincial data, both in volume and importance, "Gray literature" plays an important role and unique status which published literature cannot reach.
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