RT Journal Article SR Electronic T1 Cerebral function monitor during open heart surgery JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 44 OP 49 VO 48 IS 1 A1 George Silvay A1 Bruce P. Mindich A1 Sidney Owitz A1 Robert S. Litwak YR 1981 UL http://www.ccjm.org/content/48/1/44.abstract AB