Ken Sakushima, Hiroshi Takeda, Yoko Aoi. Orphan drug designation and development in Japan: 25 years of experience and assessment. Nature reviews. Drug discovery. 2021. 20. 12. 893-894
Yusei Miyazaki, Masaaki Niino, Ken Sakushima, Eri Takahashi, Ryoji Naganuma, Itaru Amino, Sachiko Akimoto, Naoya Minami, Ichiro Yabe, Seiji Kikuchi. Association of Smoking and Generalized Manifestations of Myasthenia Gravis. Internal medicine (Tokyo, Japan). 2021
Masaaki Matsushima, Ichiro Yabe, Ken Sakushima, Yasuhiro Kanatani, Naoki Nishimoto, Takeshi Matsuoka, Jun Sawada, Haruo Uesugi, Kazuya Sako, Asako Takei, et al. Multiple system atrophy in Hokkaido, Japan: a prospective registry study of natural history and symptom assessment scales followed for 5 years. BMJ open. 2021. 11. 2. e045100