Vergani, P Screening for congenital heart disease with the four-chamber view of the fetal heart. [electronic resource] - American journal of obstetrics and gynecology Oct 1992 - 1000-3 p. digital Publication Type: Journal Article ISSN: 0002-9378 Standard No.: 10.1016/s0002-9378(12)80027-5 doi Subjects--Topical Terms: Cohort StudiesFemaleFetal Death--etiologyFetal Heart--diagnostic imagingHeart Defects, Congenital--diagnostic imagingHumansIncidencePregnancyProspective StudiesSensitivity and SpecificitySurvival AnalysisUltrasonography, Prenatal