RT Journal Article SR Electronic T1 Comparison of Technetium-99m-ECD to Xenon-133 SPECT in Normal Controls and in Patients with Mild to Moderate Regional Cerebral Blood Flow Abnormalities JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 754 OP 761 VO 34 IS 5 A1 Michael D. Devous, Sr. A1 J. Kelly Payne A1 James L. Lowe A1 Robert F. Leroy YR 1993 UL http://jnm.snmjournals.org/content/34/5/754.abstract AB