Palbociclib in Combination with Endocrine Therapy in Patients with Metastatic Breast Cancer in a Real-World Population: Impact of Dose-Intensity, Dose Reductions and Cycle Delays on Efficacy. - Coussirou, Julie; Grenier, Julien; Mege, Alice; Arnaud, Antoine; De Crozals, Françoise; Bonnet, Emmanuel; Vazquez, Léa (Current Oncology, 2026)