Objective:To evaluate the clinical significance and effect of the anomalies seen at the four-chamber view antenatally in diagnosis of fetal congenital cardiac malformation.
目的：分析四腔心切面所见异常在产前超声诊断先天性心脏畸形中的作用和临床意义。
Objective:To evaluate the clinical significance and effect of the anomalies seen at the four-chamber view antenatally in diagnosis of fetal congenital cardiac malformation.
目的：分析四腔心切面所见异常在产前超声诊断先天性心脏畸形中的作用和临床意义。
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