正常胎儿肺头比的超声测量
尚宁, 颜春荣, 俞钢, 麦明琴, 钟华
Measurement of lung area to head circumference ratio in normal fetuses by ultrasound
Shang Ning, Yan Chunrong, YuGang, Mai Mingqin, Zhong Hua
广州医药 . 2015, (6): 24 -26 .  DOI: 10.3969/j.issn.1000-8535.2015.06.007