Junko Nakaue, Miyuki Koizumi, Hiroki Nakajima, Sadanori Okada, Takako Mohri, Yasuhiro Akai, Miyuki Furuya, Yasuaki Hayashino, Yasunori Sato, Hitoshi Ishii. Development of a self-efficacy questionnaire, 'Insulin Therapy Self-efficacy Scale (ITSS)', for insulin users in Japanese: The Self-Efficacy-Q study. Journal of diabetes investigation. 2019. 10. 2. 358-366
Hitoshi Ishii, Koki Shin, Takahiro Tosaki, Tatsuya Haga, Yoshiki Nakajima, Toshihiko Shiraiwa, Nobuaki Watanabe, Miyuki Koizumi, Hiroki Nakajima, Sadanori Okada, et al. Correction to: Reproducibility and Validity of a Questionnaire Measuring Treatment Burden on Patients with Type 2 Diabetes: Diabetic Treatment Burden Questionnaire (DTBQ). Diabetes therapy : research, treatment and education of diabetes and related disorders. 2018. 9. 4. 1719-1719
Hitoshi Ishii, Koki Shin, Takahiro Tosaki, Tatsuya Haga, Yoshiki Nakajima, Toshihiko Shiraiwa, Nobuaki Watanabe, Miyuki Koizumi, Hiroki Nakajima, Sadanori Okada, et al. Reproducibility and Validity of a Questionnaire Measuring Treatment Burden on Patients with Type 2 Diabetes: Diabetic Treatment Burden Questionnaire (DTBQ). Diabetes therapy : research, treatment and education of diabetes and related disorders. 2018. 9. 3. 1001-1019
Hiroki Nakajima, Sadanori Okada, Takako Mohri, Eiichiro Kanda, Naoyuki Inaba, Yoko Hirasawa, Hiroaki Seino, Hisamoto Kuroda, Toru Hiyoshi, Tetsuji Niiya, et al. Dapagliflozin improves treatment satisfaction in overweight patients with type 2 diabetes mellitus: a patient reported outcome study (PRO study). Diabetology & metabolic syndrome. 2018. 10. 11-11