Rodeck, C H The impact of obstetrics on genetics. [electronic resource] - European journal of obstetrics, gynecology, and reproductive biology Jul 1989 - 23-27 p. digital Publication Type: Journal Article ISSN: 0301-2115 Standard No.: 10.1016/0028-2243(89)90120-2 doi Subjects--Topical Terms: AmniocentesisChorionic Villi SamplingFemaleFetal BloodGenetic TechniquesHumansKaryotypingPregnancyPrenatal DiagnosisUltrasonography