RT Journal Article SR Electronic T1 Proceed, with Caution: SPECT Cerebral Blood Flow Studies of Children and Adolescents with Attention Deficit Hyperactivity Disorder JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 1630 OP 1633 VO 43 IS 12 A1 Castellanos, F. Xavier YR 2002 UL http://jnm.snmjournals.org/content/43/12/1630.abstract AB