Rein, A J Detection of an obstructive membrane in the ductus arteriosus of a fetus using high frame rate echocardiography. [electronic resource] - Fetal diagnosis and therapy - 250-2 p. digital Publication Type: Case Reports; Journal Article ISSN: 1015-3837 Standard No.: 10.1159/000020848 doi Subjects--Topical Terms: AdultDuctus Arteriosus--abnormalitiesFemaleHeart Ventricles--diagnostic imagingHumansMalePregnancyRespiration Disorders--etiologyUltrasonography, Prenatal--methods