Comparison of 18F-Fluorothymidine and 18F-Fluorodeoxyglucose PET/CT in Delineating Gross Tumor Volume by Optimal Threshold in Patients With Squamous Cell Carcinoma of Thoracic Esophagus - Han, D; Yu, J; Yu, Y (International Journal of Radiation Oncology*Biology*Physics, 2010)
et al.