title: Ultrasound assessment of umbilical artery and vein blood flow.
authors.forename: J P
authors.initials: JP
authors.lastname: Lavery
mesh_terms: D005260:Female; D006801:Humans; D011247:Pregnancy; D012039:Regional Blood Flow; D014463:Ultrasonography; D014469:Umbilical Arteries / Q000473:pathology*; D014471:Umbilical Veins / Q000473:pathology*