RT Journal Article SR Electronic T1 Anesthesia for aortic operations JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 147 OP 152 VO 48 IS 1 A1 Alexander Romagnoli A1 J. R. Cooper, Jr. YR 1981 UL http://www.ccjm.org/content/48/1/147.abstract AB