TI - Is the Perspective of Radiation Oncologists on Fertility and Contraception in Patients Diagnosed with Breast Cancer in the Reproductive Age Changing? Results of a National Survey AU - KÜÇÜKTÜLÜ, E. AU - TİLKİ, B. AU - KARABULUT GÜL, Ş. SO - Turk J Oncol 2026;41:165-171. DO - 10.14744/hf.2026.4871