%0 Journal Article %A Joanna S. Fowler %A Nora D. Volkow %A Gene-Jack Wang %A Yu-Shin Ding %A Stephen L. Dewey %T PET and Drug Research and Development %D 1999 %J Journal of Nuclear Medicine %P 1154-1163 %V 40 %N 7 %U https://jnm.snmjournals.org/content/jnumed/40/7/1154.full.pdf