共 21 条
- [1] BARSS VA, 1985, OBSTET GYNECOL, V66, P779
- [4] ANTENATAL DIAGNOSIS OF PLACENTAL ANASTOMOSIS IN A TWIN PREGNANCY USING DOPPLER ULTRASOUND [J]. BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY, 1986, 93 (09): : 955 - 959
- [7] GERSON AG, 1987, OBSTET GYNECOL, V70, P419
- [8] FETAL UMBILICAL ARTERY FLOW VELOCITY-TIME WAVEFORMS IN TWIN PREGNANCIES [J]. BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY, 1985, 92 (05): : 490 - 497
- [9] HANNA JH, 1984, OBSTET GYNECOL, V63, P126