第三部分：主要就昆明流动人口聚居区形成机制展开分析，并对流动人口聚居区进行系统评价。
The third part: Mainly forms the mechanism on the Kunming transient population community to launch the analysis, and carries on the systems assessment to the transient population community.
目的：在严格的质量评价基础上，对丁咯地尔治疗急性脑梗死的临床疗效与安全性进行系统评价。
OBJECTIVE: on the basis of strict quality evaluation, clinical curative effect and the safety of buflomedil for the treatment of acute cerebral infarction (ACI) were made a system evaluation.
目的采用循证医学的方法对超声造影诊断肝局灶性结节增生的研究进行系统评价，评估其临床应用价值并分析异质性来源。
Objective A systematic review was conducted to determine reliability of contrast-enhanced ultrasonography diagnostic tests for focal nodular hyperplasia and to explore sources of heterogeneity.
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