title: Persistent right umbilical vein in trisomy 18: sonographic observation.
authors.affiliation: Department of Feto-Maternal Medicine, University Hospital Brussels, Belgium.
authors.forename: L
authors.initials: L
authors.lastname: De Catte
authors.forename: K
authors.initials: K
authors.lastname: Osmanagaoglu
authors.forename: I
authors.initials: I
authors.lastname: De Schrijver
mesh_terms: D000328:Adult; D002887:Chromosomes, Human, Pair 18; D006325:Heart Atria / Q000002:abnormalities; D006801:Humans; D014314:Trisomy; D014463:Ultrasonography; D014471:Umbilical Veins / Q000002:abnormalities* / Q000000981:diagnostic imaging*