Narawong, Taratip, Orathai Singusaha, Siriwan Sisai, Araya Mingmongkhonchai, Paisal Runpo, Korakot Worratammongkol, and Kornkamon Namchim. “The Survey of Local Diagnostic Reference Levels (DRLs) for Administered Activity in Diagnostic Nuclear Medicine at Rajavithi Hospital”. The Thai Journal of Radiological Technology 46, no. 1 (May 11, 2021): 1–7. Accessed October 6, 2022. https://he02.tci-thaijo.org/index.php/tjrt/article/view/249318.