%0 Journal Article %A David Townsend %A Thomas Beyer %A Johannes Czernin %T 20 Years of PET/CT: A Conversation with David Townsend and Thomas Beyer %D 2020 %R 10.2967/jnumed.120.257725 %J Journal of Nuclear Medicine %P 1541-1543 %V 61 %N 11 %U https://jnm.snmjournals.org/content/jnumed/61/11/1541.full.pdf