Systemic Therapeutic Options in Radioiodine-Refractory Differentiated Thyroid Cancer: Current Indications and Optimal Timing - Vico, TD; Martínez, BMA; Góngora, LM; Jiménez-Fonseca, P; Martín, PP; Torrente, IG; Muñoz-Nájar, AG; Durán-Poveda, M (Cancers, 2025)