RT Journal Article SR Electronic T1 Critical Cerebral Blood Flow Thresholds Studied by SPECT Using Xenon-133 and Iodine-123 Iodoamphetamine JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 337 OP 342 VO 30 IS 3 A1 Shinichi Nakano A1 Kazuo Kinoshita A1 Seishi Jinnouchi A1 Hiroaki Hoshi A1 Katsushi Watanabe YR 1989 UL http://jnm.snmjournals.org/content/30/3/337.abstract AB