目的：回顾性探讨超声诊断胎儿先天性心脏病的临床价值。
Objective: To evaluate the value of echocardiography in prenatal diagnosis of feral congenital heart disease.
目的分析左向右分流型先天性心脏病左心室功能。
Objective To analyse function of left ventricle among patients with left-right shunt congenital heart disease.
目的探讨胎儿先天性心脏病(先心病)的有效诊断方法及依据。
Objective: To study the effective diagnostic methods and the basis of fetal congenital heart disease (CHD).
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