Pain evaluation in patients (pts) with metastatic castration-resistant prostate cancer (mCRPC) treated with radium-223 (Ra-223) in the PARABO observation study - Palmedo, H; Eschmann, S; Werner, A; Selkinski, I; Moellers, MO; Kalinovsky, J; Benson, A; Poeppel, TD (Nuklearmedizin - NuclearMedicine, 2021)