RT Journal Article SR Electronic T1 Bumper Fracture of the Knee JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 230 OP 233 VO 3 IS 3 A1 Dickson, James A. A1 Graves, Clifford L. YR 1936 UL http://www.ccjm.org/content/3/3/230.abstract AB