PT - JOURNAL ARTICLE AU - Robert W. Atcher TI - Facing New Horizons, Meeting New Challenges DP - 2008 Jul 01 TA - Journal of Nuclear Medicine PG - 23N--24N VI - 49 IP - 7 4099 - http://jnm.snmjournals.org/content/49/7/23N.short 4100 - http://jnm.snmjournals.org/content/49/7/23N.full SO - J Nucl Med2008 Jul 01; 49