%0 Journal Article %T Chemotherapy Effectiveness in Human Epidermal Growth Factor Receptor 2-Negative Metastatic Breast Cancer after Third-Line or Later Treatment: An Overtreatment Concern in Everyday Clinical Practice %A Ersoy, M. %J Lokman Hekim Health Sci %D 2026 %V 6 %P 458-465 %R 10.14744/lhhs.2026.02303