2019年 Mechanical performance and dosimetric accuracy of a commercial knowledge-based VMAT planning for oropharyngeal cancer The 19th Asia-Oceania Congress of Medical Physics Katsuya Okuhata, Hajime Monzen, Mikoto Tamura, Kenji Matsumoto, Masakazu Otsuka, Kazuki Kubo, Takuya Uehara, Hiroshi Doi, Kazuki Ishikawa, Yasumasa Nishimura