Predicting tumour and organ dose in α-radiopharmaceutical therapy: a 89Zr-based dosimetric approach for 225Ac. - Merkx, Robin I.J.; Kleinendorst, Simone C.; Rijpkema, Mark; Franssen, Gerben M.; Morgenstern, Alfred; Bruchertseifer, Frank; Wheatcroft, Michael P.; Oosterwijk, Egbert; Mulders, Peter F.A.; Konijnenberg, Mark; Heskamp, Sandra (European Journal of Nuclear Medicine & Molecular Imaging, 2026)