title: Incidence and associations of single umbilical artery.
authors.forename: A K
authors.initials: AK
authors.lastname: Leung
authors.forename: W L
authors.initials: WL
authors.lastname: Robson
mesh_terms: D000015:Abnormalities, Multiple / Q000453:epidemiology; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007668:Kidney / Q000002:abnormalities; D011247:Pregnancy; D014469:Umbilical Arteries / Q000002:abnormalities*