Significance of echocardiographic screening of cardiac defects for fetuses with single umbilical artery
XIN Tian-tian, XI Li-li, ZHAO Li-jiao, et al
上海交通大学学报（医学版） . 2014, (5): 666 .  DOI: 10.3969/j.issn.1674-8115.2014.05.019