title: Routine venography in placement of the Mobin-Uddin vena cava filter: dual filter placement in a patient with an accessory vena cava (cardinal vein).
mesh_terms: D001999:Bronchoscopy; D002404:Catheterization; D005260:Female; D005374:Filtration / Q000295:instrumentation*; D005471:Fluoroscopy; D006801:Humans; D008722:Methods; D008875:Middle Aged; D010690:Phlebography; D011655:Pulmonary Embolism / Q000517:prevention & control; D014682:Vena Cava, Inferior / Q000601:surgery*; D014684:Venae Cavae / Q000000981:diagnostic imaging