RT Journal Article SR Electronic T1 Sacral Perineurial, Cysts JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 106 OP 111 VO 17 IS 2 A1 Weiford, E. C. YR 1950 UL http://www.ccjm.org/content/17/2/106.abstract AB