共 50 条
- [46] Diagnosis of Placental Position by Early First-Trimester Ultrasound: A Pilot Study Reproductive Sciences, 2019, 26 : 1512 - 1518
- [48] Ultrasound assessment of first-trimester bleeding OBSTETRICS AND GYNECOLOGY, 2005, 105 (02): : 333 - 338
- [50] First trimester diagnosis of holoprosencephaly and cyclopia with triploidy by transvaginal three-dimensional ultrasonography EUROPEAN JOURNAL OF OBSTETRICS GYNECOLOGY AND REPRODUCTIVE BIOLOGY, 2001, 96 (02): : 235 - 237