单脐动脉的超声诊断及意义
张会萍;刘锦平;杜联芳;闫 峰;关云萍
Ultrasound diagnosis and clinical value of single umbilical artery
ZHANG Hui-ping;LIU Jin-ping;DU Lian-fang;YAN Feng;GUAN Yun-ping
. 2007, (5): 324 -326 .