PT - JOURNAL ARTICLE ED - , TI - 2014 Cassen Lecture: What Have We Learned from the National Oncologic PET Registry? DP - 2014 Dec 01 TA - Journal of Nuclear Medicine PG - 9N--15N VI - 55 IP - 12 4099 - http://jnm.snmjournals.org/content/55/12/9N.short 4100 - http://jnm.snmjournals.org/content/55/12/9N.full SO - J Nucl Med2014 Dec 01; 55