Demir, F. “Prognostic Value of F-18 Fluorodeoxyglucose Uptake in Primary Tumor and Reticuloendothelial System in Patients With Head and Neck Cancer”. Annals of Medical Research, vol. 28, no. 2, May 2021, pp. 0231-6, http://www.annalsmedres.org/index.php/aomr/article/view/403.