RT Journal Article SR Electronic T1 Unusual Tumors Simulating Protrusion of the Intervertebral Disc JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 54 OP 59 VO 9 IS 1 A1 Nosik, Wm. A. YR 1942 UL http://www.ccjm.org/content/9/1/54.abstract AB