Kittiva N, Khamfongkhruea C, Chamchod S, Paduka S, Liamsuwan T. Optimal Gating Window for Respiratory-Gated Pencil Beam Scanning Proton Therapy for Lung Cancer: A pilot study. J Thai Assn of Radiat Oncol [internet]. 2021 Oct. 14 [cited 2026 Sep. 24];27(2):R60-R75. available from: https://he01.tci-thaijo.org/index.php/jtaro/article/view/249865