Implementing the Use of Ultrasonography Screening Markers of the Trisomy 18 in the Clinical Practice, in the Era of Non-invasive Prenatal Test: Case Reports Journal title: International Journal of Medical and Pharmaceutical Case Reports Authors: Csilla Dézsi, Andrea Szöllősi, Kitti Sólya, János T. Szabó, László Párducz, Sándor Nagy, Károly Szil... Subject(s):