11~13+6周胎儿颅后窝结构的产前超声检测

秦凤真，李胜利，文华轩，欧阳玉容，郑琼，毕静茹

Ultrasound measurement of fetal posterior fossa at 11 to 13 + 6 gestational weeks for
screening open spina bifida

南方医科大学学报 . 2014, (07): 950 .