A new horizon for breast cancer staging: first evidence from simultaneous PET-MRI targeting the fibroblast activating protein (FAP) - Backhaus, P; Burg, MC; Roll, W; Büther, F; Breyholz, HJ; Weigel, SB; Heindel, W; Pixberg, M; Barth, P; Tio, J; Schäfers, M (Nuklearmedizin - NuclearMedicine, 2021)