目的：探讨彩色多普勒超声诊断胎儿伴肺动脉高压型房间隔缺损的方法。

Objective: To study the diagnosis of fetal atrial septal defect with pulmonary hypertension by color Doppler.

youdao

目的：探讨彩色多普勒超声诊断胎儿伴肺动脉高压型房间隔缺损的方法。

Objective: To study the diagnosis of fetal atrial septal defect with pulmonary hypertension by color Doppler.

youdao