RT Journal Article SR Electronic T1 The National Oncology PET Registry (NOPR): A monumental effort by a few leaders JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP jnumed.118.207860 DO 10.2967/jnumed.118.207860 A1 Johannes Czernin YR 2018 UL http://jnm.snmjournals.org/content/early/2018/01/24/jnumed.118.207860.abstract AB