1. Kazuhiro Murayama, Shigetaka Suzuki, Ryo Matsukiyo, Akinori Takenaka, Motoharu Hayakawa, Takashi Tsutsumi, Kenji Fujii, Kazuhiro Katada, Hiroshi Toyama. Preliminary study of time maximum intensity projection computed tomography imaging for the detection of early ischemic change in patient with acute ischemic stroke. Quality Improvement Study. January 2018.doi.org/10.1097/MD.0000000000009906

2. Hiroshi Matsuda, Miho Murata, Yohei Mukai, Kazuya Sako, Hidetoshi Ono, Hiroshi Toyama, Yoshitaka Inui, Yasuyuki Taki, Hideo Shimomura, Hiroshi Nagayama, Amane Tateno, Kenjiro Ono, Hidetomo Murakami, Atsushi Kono, Shigeki Hirano, Satoshi Kuwabara, Norihide Maikusa, Masayo Ogawa, Etsuko Imabayashi, Noriko Sato, Harumasa Takano, Jun Hatazawa, Ryosuke Takahashi. Japanese multicenter database of healthy controls for [123I]FP-CIT SPECT. European Journal of Nuclear Medicine and Molecular Imaging. February 2018. doi.org/10.1007/s00259-018-3976-5

3. Yoshitaka Inui, Takashi Ichihara, Masaki Uno, Masanobu Ishiguro, Kengo Ito, Katsuhiko Kato, Hajime Sakuma, Hidehiko Okazawa, Hiroshi Toyama. CT-based attenuation correction and resolution compensation for I-123 IMP brain SPECT normal database: a multicenter phantom study. Annals of Nuclear Medicine. March 2018.doi.org/10.1007/s12149-018-1248-x

4. Hidekazu Hattori, Yoshifumi Kuwayama, Yoshitaka Inui, Kazuhiro Murayama, Motoharu Hayakawa, Shinji Ito, Hiroshi Toyama. Reliability of diagnosing acute ischemic cerebrovascular on magnetic resonance imaging disorders using iPads. Japan Radiological Society 2018. August 2018. doi.org/10.1007/s11604-018-0763-y

5. Hiroyuki Nagata, Kazuhiro Murayama, Shigetaka Suzuki, Ayumi Watanabe, Motoharu Hayakawa, Yasuo Saito, Kazuhiro Katada, Hiroshi Toyama. Initial clinical experience of a prototype ultra‑high‑resolution CT for assessment of small intracranial arteries. Japanese Journal of Radiology. January 2019. doi.org/10.1007/s11604-019-00816-4