Xuan, Ngo Minh, and Huynh Quang Huy. 2020. “Using Positron Emission Tomography - Computed Tomography Imaging to Distinguish of Metastatic Disease from Second Primary Lung Tumours in Patients With Non-Small Cell Lung Cancer”. International Journal of Research in Medical Sciences 8 (6):2265-69. https://doi.org/10.18203/2320-6012.ijrms20202279.