title: First-trimester assessment of umbilical vein diameter using the semiautomated system for nuchal translucency measurement.
authors.forename: G
authors.initials: G
authors.lastname: Rizzo
authors.forename: A
authors.initials: A
authors.lastname: Capponi
authors.forename: E
authors.initials: E
authors.lastname: Aiello
authors.forename: D
authors.initials: D
authors.lastname: Arduini
mesh_terms: D005260:Female; D006801:Humans; D048208:Nuchal Translucency Measurement / Q000295:instrumentation* / Q000379:methods; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D014471:Umbilical Veins / Q000000981:diagnostic imaging*