目的：对中医药治疗慢性支气管炎的随机对照试验文献进行研究质量的评价和分析。
Objective: To carry out the research quality evaluation and analysis on literatures of randomized controlled trial in treating chronic bronchitis with traditional Chinese medicine(TCM).
我们获得五个随机对照试验和另外一个指派的研究，都有足够资料可以进一步分析。
Five randomized controlled trials and one alternate assignment study had sufficiently detailed data to allow interpretation.
分类检索MEDLINE中的同行评审临床试验、随机对照试验、meta分析和其他临床相关研究。
Evidence Acquisition Systematic search of MEDLINE to identify peer-reviewed clinical trials, randomized controlled trials, meta-analyses, and other studies with clinical pertinence.
分类检索MEDLINE中的同行评审临床试验、随机对照试验、meta分析和其他临床相关研究。
Evidence Acquisition Systematic search of MEDLINE to identify peer-reviewed clinical trials, randomized controlled trials, meta-analyses, and other studies with clinical pertinence.
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