胎儿脐动脉阻力指数正常和增高的椎动脉及大脑中动脉的超声研究
태인제동맥조력지수정상화증고적추동맥급대뇌중동맥적초성연구
Ultrasound study of vertebral artery and middle cerebral artery with the normal and elevated fetal umbilical artery resistance index