Goyal RK, Holmes HM, Chen H, Abughosh S, Candrilli SD, Johnson ML. Impact of CDK4/6 inhibitors on chemotherapy utilization in earlier therapy lines for HR+/HER2- metastatic breast cancer in the United States. Breast Cancer Res Treat. 2023 Feb;198(1):159-66. doi: 10.1007/s10549-022-06845-4