%0 Journal Article %T Geriatric Assessment in Oncology: G8 Screening Tool Validation and Reliability Study %A ATAKUL, E. %A AKYAR, İ. %A KOÇOĞLU TANYER, D. %J Turk J Oncol %D 2019 %V 34 %P 236-242 %R 10.5505/tjo.2019.2010