Design and Biological Evaluation of Small-Molecule PET-Tracers for Imaging of Programmed Death Ligand 1. - Krutzek, Fabian; Donat, Cornelius K.; Ullrich, Martin; Zarschler, Kristof; Ludik, Marie-Charlotte; Feldmann, Anja; Loureiro, Liliana R.; Kopka, Klaus; Stadlbauer, Sven (Cancers, 2023)