Analysis of IMRT patient specific quality assurance using EPID measurement data from the Halcyon linear accelerator. - Cho, Shinhaeng; Jeong, Jea-Uk; Kim, Yong Hyub; Yoon, Mee Sun; Nam, Taek-Keun; Ahn, Sung-Ja; Song, Ju-Young (PLoS ONE, 2026)