2[3]Reshetnikova OS,Burton GJ,Miloranov AP,et al.Increased incidence of placental chorioangioma in high - altitude pregnancies:hypobaric hypoxia as a possible etidogictor.Am J Obstet Gynecol,1996,174:556-557
3[6]Quintero RA,Reich H,RomeroR,et al.In utero endoscopic de - vascularization of a large chorioangioma.Ultrasound Obstet Gynecol,1996,8:47-48
4刘桂香,朱秀梅.脐带悬浮血管瘤一例[J].中国超声医学杂志,1996,(12):23.
5[6]Mancuso A, D' Anna R, Corrado F, et al. Large placental chorioangioma. Acta Obstetricia et Gynecologica Scandinavica, 2001, 80:965 -966.
6[7]Bashiri A, Erez O, Dukler D, et al. Chorioangioma of the placenta:prevelecence and clinical siginificence. Am. J Obstet & Gyneco, 1999,180 (1S-Ⅱ) Suppl: 69S.
7[8]Mochizuki T, Nishiguchi T, Ito I, et al. Case Report: Antenatal Diagnosis of Chorioangioma of the Placenta MR Features. Journal of Computer Assisted Tomography, 1996, 20:413 -416.
8[9]Kung F, Chen W, Hsu P, et al. Large chorioangioma: Antenatal color - flow Doppler ultrasonic imaging and its correlation with postpartum pathology: Experience of two cases. Acta Obstetricia et Gynecologica Scandinavica, 1997, 76: 277-279.
9[10]Arodi J. Giant chorioangioma of placenta. Acta Obstetricia et Gynecologica Scandinavica, 1985, 64: 91.