早孕期胎儿颈部透明层厚度及静脉导管波形与先天性心脏畸形的关系
刘 洁;柴义青;张 坦
The relationship of fetal nuchal translucency and ductus venous wave withcardiac malformation in early pregnancy
LIU Jie;CHAI Yi-qing;ZHANG Tan
. 2012, (12): 897 -898 .