RT Journal Article SR Electronic T1 Progress, reason, and in today’s world of neurosurgery JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 261 OP 270 VO 54 IS 4 A1 Fager, Charles A. YR 1987 UL http://www.ccjm.org/content/54/4/261.abstract AB