RT Journal Article SR Electronic T1 Value of Cerebral Isotope Flow Studies in Timing of Surgery for Ruptured Aneurysms When There Is Vasospasm and Neurologic Deficit JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 1113 OP 1116 VO 15 IS 12 A1 Stanley J. Goodman A1 Michael Hayes YR 1974 UL http://jnm.snmjournals.org/content/15/12/1113.abstract AB