孕11~40周正常胎儿静脉导管血流频谱变化规律及其临床意义

李丽芳, 叶真

Change rule of ductus venosus blood flow spectrum of normal fetal of 11-40 weeks and its clinical significance

LI Lifang, YE Zhen

吉林大学学报(医学版) . 2018, (01): 186 -189 . DOI: 10.13481/j.1671-587x.20180137