A National Survey on the Current Status of Radiotherapy in Extensive Stage Small-cell Lung Cancer: Turkish Society of Radiation Oncology Thoracic Oncology Group Study. - KIRAKLI, Esra KORKMAZ; ERDEM, Sevilay; YALMAN, Deniz; SAYNAK, Mert (Turkish Journal of Oncology / Türk Onkoloji Dergisi, 2024)