Oonsiri, Puntiwa. “IsoCal Evaluation for Isocentric Performance Check of Varian Linacs With C-Series and TrueBeam”. Journal of Thai Association of Radiation Oncology 25, no. 2 (October 25, 2019): 19–27. Accessed May 19, 2024. https://he01.tci-thaijo.org/index.php/jtaro/article/view/209546.