彩色多普勒血流显像诊断胎儿单脐动脉的价值探讨
洪燕,钟文津,符小艳,符少清,刘起珠,杨炳昂
Diagnositic value of single-umbilical artery of fetus with color Doppler Flow Imaging,
中国热带医学 . 2003, (02): 176 -178 .