1Wang CJ,Yen CF,Masrani MR,et al.Three-dimensional ultrasonic images of normal fetus[J].Chang Gung Med J,2001,24(8):476-482.
2Blaas HG,Eik Nes SH,Isaksen CV,et al.The detection of spina bifida before 10 gestational weeks using two-and three-dimensional ultrasound[J].Ultrasound Obstet Gynecol,2000,16(1):25-29.
3Dyson RL,Pretorius DH,Budorick NE,et al.Three-dimensional ultrasound in the evaluation of fetal anomalies[J].Ultrasound Obstet Gynecol,2000,16(4):321-328.
4Lee W,Kirk JS,Shaheen KW,et al.Fetal cleft lip and palate detection by three-dimensional ultrasonography[J].Ultrasound Obstet Gynecol,2000,16(4):314-320.
