COMUNOGLU C., ATASOY L., and BAYKAL C. “Ovarian Hemangioma Occurring Synchronously With Contralateral Mature Cystic Teratoma in an 81-Year-Old Patient”. Upsala Journal of Medical Sciences, vol. 115, no. 4, Sept. 2010, pp. 297–299, doi:10.3109/03009734.2010.502602.