RT Journal Article SR Electronic T1 Imaging the Addicted Brain: From Molecules to Behavior JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 13N OP 24N VO 45 IS 11 A1 Nora D. Volkow YR 2004 UL http://jnm.snmjournals.org/content/45/11/13N.abstract AB