85TiPPhase II trial of HER2-PET/CT using 68Ga-anti-HER2 VHH1 for characterization of HER2 presence in brain metastases of breast cancer patients. (13th May 2019) - Keyaerts, M; Xavier, C; Everaert, H; Vaneycken, I; Fontaine, C; Decoster, L; Vanhoeij, M; Caveliers, V; Lahoutte, T