. J. R. Gd-DTPA enhanced MR of the lumbar spinal canal in patients with claudication. J. Commit. Assist. Tomogr. 17. 555-562 (1993). 43. linkins. J. R. et at. Spinal nerve enhancement with GOOTPA: MR correlation with the postoperative lumbosaaal spine. AJNR Am. J. Neurorad/ot 14. 383-394 (1993). 44.