Purivikrai, Kanyarat, Pattamawadee Narongkornsirichai, Chulee Wannawijit, Isra Israngkul Na Ayuthaya, Wiroon Monkongsubsin, and Mintra Keawsamur. 2025. “Evaluation of CT calibration curve impact on proton range accuracy in treatment planning”. The Thai Journal of Radiological Technology 50 (1). Bangkok, Thailand:22-31. https://he02.tci-thaijo.org/index.php/tjrt/article/view/275426.