RT Journal Article SR Electronic T1 Removal of Broken Knife Blade from Spinal Canal JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 65 OP 67 VO 12 IS 2 A1 Gardner, W. James YR 1945 UL http://www.ccjm.org/content/12/2/65.abstract AB