方法：收集15例紫绀型先天性心脏病尸检病例，应用心脏节段分析法进行解剖形态学观察描述。
Methods: 15 cases of cyanotic congenital heart disease were collected and studied by sequential segmental analysis.
方法：采用二阶段抽样法对254名51～75岁居民用多因素分析法进行了调查分析。
Method:254 people aged 51~75 with two stage sampling were investigated by using multifactor analyses.
目的：探讨节段性分析法在胎儿心脏超声检查中的方法和临床价值。
Objective: To evaluate the clinical method and value of sequential segmental analysis in fetal echocardiography.
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