Llombart-Cussac, A., Harper-Wynne, C., Perelló, A., Hennequin, A., Fernández-Ortega, A., Colleoni, M., Marín, S., Quiroga, V., Medioni, J., Iranzo, V., Wheatley, D., Berrón, S. D. B., Antón, A., Dobi, E., Ruiz-Borrego, M., Alcalá-López, D., Perez-Escuredo, J., Antonarelli, G., Sampayo-Cordero, M., Pérez-García, J. M., Cortés, J. (2025). Second-Line Endocrine Therapy With or Without Palbociclib Rechallenge in Patients With Hormone Receptor–Positive/Human Epidermal Growth Factor Receptor 2–Negative Advanced Breast Cancer: PALMIRA Trial. Journal of Clinical Oncology. https://doi.org/10.1200/jco-24-01865