Nguyễn, Văn Thắng, et al. “Prognostic Value of Tumor-to-Mediastinal Lymph Node SUVmax Ratio on PET CT in Predicting Nodal Metastasis in Patients With Non-Small Cell Lung Cancer”. Vietnamese Journal of Radiology and Nuclear Medicine, no. 61, Dec. 2025, pp. 21-28, doi:10.55046/vjrnm.61.1432.2025.