@misc{oai:repo.qst.go.jp:00062720, author = {Nagano, Ai and Mizuno, Hideyuki and Fukumura, Akifumi and Sunaoka, Masayoshi and Saitou, Osami and Tsuruoka, Ichirou and Koganezawa, Ryo and Kusano, Yohsuke and Takase, Eisuke and Yajima, Kaori and Uesaka, Saki and Kanai, Tatsuaki and 永野 あい and 水野 秀之 and 福村 明史 and 砂岡 正良 and 斉藤 収三 and 鶴岡 伊知郎 and 小金澤 亮 and 矢島 佳央理 and 上坂 紗紀 and 金井 達明}, month = {Sep}, note = {We report on the quality assurance (QA) program for the linear accelerator (Linac). The dosimetric characteristics of the Linac were measured in clinical routines. The data collected at the National Institute of Radiological Sciences (NIRS) since August 2005 is presented. We examined this data over the short-, medium- and long term periods which enables the user to predict possible problems., The 5th Korea - Japan Joint Meeting on Medical Physics(第96回日本医学物理学会学術大会)}, title = {Status Report of Quality Assurance Program Activity for the Linear Accelerator at the National Institute of Radiological Sciences}, year = {2008} }