Masa-Nga W, Thonapan N, Suntiwong S, Dachaworakol K, Thongsawat S, Khamfongkhruea C, et al. Reproducibility of the Patient Setup for Head and Neck Cancers using On-Board Imager System. ASEAN J Radiol [Internet]. 2023 Apr. 28 [cited 2025 May 2];16(2):101-7. Available from: https://www.asean-journal-radiology.org/index.php/ajr/article/view/847