Fetal Pericardial Teratoma: Presentation of Two Cases and Review of Literature - Bader, Rima; Hornberger, Lisa K; Nijmeh, Larry J; Al-Kazaleh, Fawaz; Ryan, Greg; Toi, Ants; Viero, Sandra; Butany, Jagdish; Chitayat, David (American Journal of Perinatology, 2006)