Prenatal Ultrasound Assessment and Fetal Heart Monitoring: Analysis of Dizygotic Twins Discordant for Body Stalk Anomaly in the Third Trimester of Pregnancy - Hrgovic, Z; Andonotopo, W; Klobucar, A; Hrgovic, I; Miskovic, B; Ahr, A (Ultraschall in der Medizin - European Journal of Ultrasound, 2007)