参考
U, Ruman; TS, Chowdhury (July 2012). "Placental chorioangioma : A case report" (PDF). Birdem Medical Journal. 2 (2): 113–115. doi:10.3329/birdem.v2i2.12326. Retrieved 9 December 2016.
Kodandapani, Sreelakshmi (2012). "Chorioangioma of Placenta: A Rare Placental Cause for Adverse Fetal Outcome". Case Reports in Obstetrics and Gynecology. 2: 913878. doi:10.1155/2012/913878. PMC 3384918. PMID 22754703.
AA, Marchetti (1939). "A consideration of certain types of benign tumors of the placenta". Surgical Gynaecology and Obstetrics: 733–743.
Kirkpatrik, Aaron; Podberesky, Daniel (21 March 2007). "Placental chorioangioma". Radiographics. 27 (4): 1187–1190. doi:10.1148/rg.274065207. PMID 17620474.
K, Kanenishi; T, Hata (2004). "Three-dimensional sonographic features of placental abnormalities". Gynaecological and Obstetric Investigations. 2: 61–65.
UI, Esen; SU, Orife (1997). "Placental chorioangioma: a case report and literature review". British Journal of Clinical Practice. 3 (51): 181–182.
H, Fox (1967). "Vascular tumors of the placenta". Obstetrical & Gynecological Survey. 22 (5): 697–711. doi:10.1097/00006254-196710000-00001. PMID 4863447.