Drugan, A Abnormal biochemical serum screening versus 2nd-trimester ultrasound-detected minor anomalies as predictors of aneuploidy in low-risk patients. [electronic resource] - Fetal diagnosis and therapy - 301-5 p. digital Publication Type: Comparative Study; Journal Article ISSN: 1015-3837 Standard No.: 10.1159/000264328 doi Subjects--Topical Terms: AdultAneuploidyChorionic Gonadotropin--bloodChromosome AberrationsEstriol--bloodFemaleHumansPregnancyPregnancy Trimester, SecondPrenatal Diagnosis--methodsUltrasonography, Prenatalalpha-Fetoproteins--analysis