Heterogeneity tests for pooled results were performed.
同时对总体结果做异质性分析。
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.
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。
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