%0 Journal Article %T Concurrent Use of Cyclin Dependent Kinase 4/6 (CDK4/6) Inhibitors with Palliative Radiotherapy for Metastatic Breast Cancer Patients: A Review of Toxicity %A SÖNMEZ, Ö. %A TEZCANLI, E. %J Turk J Oncol %D 2021 %V 36 %P 538-542 %R 10.5505/tjo.2021.3338