Perspectives on Radiopharmaceutical Agents from the FDA: A Conversation between Lou Marzella, Johannes Czernin, and Thomas Hope.

![Figure][1] Lou Marzella, MD, PhD Johannes Czernin, MD, editor in chief of The Journal of Nuclear Medicine , and Thomas Hope, MD, associate professor-in-residence at the University of California at San Francisco (UCSF), talked with Lou Marzella, MD, PhD, about his work in federal