George W. Sledge, Joanne Xiu, Matthew James Oberley, Milan Radovich, David Spetzler, Adrian V. Lee, Steffi Oesterreich. "Association of ESR1 amplification with survival and benefit from CDK4/6 inhibition in breast cancer.." Journal of Clinical Oncology, 2026. doi:10.1200/jco.2026.44.16_suppl.1093