title: Combined catheter venography of the lumbar venous system and the inferior vena cava.
mesh_terms: D002404:Catheterization; D003287:Contrast Media; D006801:Humans; D007084:Iliac Vein; D007405:Intervertebral Disc Displacement / Q000000981:diagnostic imaging; D008159:Lumbar Vertebrae / Q000098:blood supply*; D008722:Methods; D009362:Neoplasm Metastasis; D010690:Phlebography; D013125:Spinal Neoplasms / Q000000981:diagnostic imaging; D014682:Vena Cava, Inferior / Q000000981:diagnostic imaging*
chemical_list: D003287:Contrast Media