title: Venous valvular incompetence of the upper extremity.
authors.affiliation: Department of Radiology, University of Massachusetts Medical Center, Worcester.
authors.forename: R G
authors.initials: RG
authors.lastname: Sheiman
authors.forename: S A
authors.initials: SA
authors.lastname: Afonso
authors.forename: D A
authors.initials: DA
authors.lastname: Phillips
mesh_terms: D000328:Adult; D005542:Forearm / Q000098:blood supply*; D006225:Hand / Q000098:blood supply*; D006801:Humans; D008297:Male; D010690:Phlebography / Q000379:methods; D014652:Vascular Diseases / Q000000981:diagnostic imaging*