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