RT Journal Article SR Electronic T1 Anesthesia and Neurosurgery ed. by James E. Cottrell and Herman Turndorf JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 537 OP 537 VO 54 IS 6 A2 Zakov, Z. Nicholas A1 Ebrahim, Zeyd Y. YR 1987 UL http://www.ccjm.org/content/54/6/537.1.abstract AB