PT - JOURNAL ARTICLE AU - Alan B. Packard TI - A Challenging and Rewarding Year DP - 2021 Jun 01 TA - Journal of Nuclear Medicine PG - 32N--32N VI - 62 IP - 6 4099 - http://jnm.snmjournals.org/content/62/6/32N.short 4100 - http://jnm.snmjournals.org/content/62/6/32N.full SO - J Nucl Med2021 Jun 01; 62