Thiol Disulfide Homeostasis of Pediatric Oncology Patients After the Positron Emission Tomography/Computerized Tomography Imaging: A Cross-Sectional Study oleh Nilgun Eroglu, Nedim Murat Cuneyt Gulaldi, Sule Yesil, Ali Fettah, Burcak Bilgin Kurucu, Emre Capkinoglu, Ozcan Erel, Gurses Sahin