title: Case report: hypoplastic left brachiocephalic vein: collateral drainage via the hemiazygos system demonstrated at intravenous urography.
authors.affiliation: Department of Radiology, Groote Schuur Hospital, Cape Town, South Africa.
authors.forename: D D
authors.initials: DD
authors.lastname: Royston
authors.forename: P D
authors.initials: PD
authors.lastname: Corr
mesh_terms: D016121:Brachiocephalic Veins / Q000002:abnormalities* / Q000000981:diagnostic imaging; D003097:Collateral Circulation; D005260:Female; D006801:Humans; D008875:Middle Aged; D010690:Phlebography; D013909:Thorax / Q000098:blood supply*; D014567:Urography