kumkhwao, J., N. Arphasetthasakul, N. Amornwichet, and P. Oonsiri. “Comparison of bladder volume in prostate radiation therapy between simulation and treatment”. Journal of Thai Association of Radiation Oncology, vol. 26, no. 1, Apr. 2020, pp. R13-R24, https://he01.tci-thaijo.org/index.php/jtaro/article/view/228726.