title: Ductus venosus in twins: science matters.
authors.affiliation: Department of Obstetrics and Gynecology, Faculty of Medicine, University Hospital of S. João, 4200 Porto Hospital of S. João, Porto, Portugal.
authors.forename: A
authors.initials: A
authors.lastname: Matias
authors.affiliation: Department of Obstetrics and Gynecology, Faculty of Medicine, University Hospital of S. João, 4200 Porto Hospital of S. João, Porto, Portugal.
authors.forename: N
authors.initials: N
authors.lastname: Montenegro
mesh_terms: D001783:Blood Flow Velocity; D005330:Fetofetal Transfusion; D005333:Fetus; D006801:Humans; D014427:Twins; D016216:Ultrasonography, Prenatal; D014471:Umbilical Veins; D014680:Veins; D014682:Vena Cava, Inferior