TY - JOUR TI - Accessibility of radiation oncology centers in Turkey through the Internet AU - YİRMİBEŞOĞLU, E. AU - ÖZTÜRK, A.S. AU - ERKAL, H.Ş. AU - EGEHAN, İ. JO - Turk J Oncol PY - 2008 VL - 23 SP - 189 EP - 195 DO - ER -