Naoya Sawamoto, Makoto Okawara, Keiji Muramatsu, Kiminori Odagami, Kosuke Mafune, Seiichiro Tateishi, Mayumi Tsuji, Akira Ogami, Yoshihisa Fujino. Relationship between infection or close contact with COVID-19 and workplace mistreatment among Japanese workers: A cross-sectional study. Journal of occupational and environmental medicine. 2024
Issei Ikushima, Kei Yamasaki, Masahiro Tahara, Kazuki Nemoto, Kentaro Akata, Hiroaki Ikegami, Chinatsu Nishida, Keiji Muramatsu, Yoshihisa Fujino, Shinya Matsuda, et al. Epidemiologic evaluation of pulmonary paragonimiasis in Japan using a Japanese nationwide administrative database. Journal of infection and chemotherapy : official journal of the Japan Society of Chemotherapy. 2024
Makoto Okawara, Keiki Hirashima, Yu Igarashi, Kosuke Mafune, Keiji Muramatsu, Tomohisa Nagata, Mayumi Tsuji, Akira Ogami, Yoshihisa Fujino, Akira Ogami, et al. Impact of COVID-19 Infection on Work Functioning in Japanese Workers: A Prospective Cohort Study. Safety and Health at Work. 2023
Kei Tokutsu, Kaoru Ito, Shigeki Kawazoe, Sota Minami, Kenji Fujimoto, Keiji Muramatsu, Shinya Matsuda. Clinical characteristics in patients with non-alcoholic steatohepatitis in Japan: a case-control study using a 5-year large-scale claims database. BMJ Open. 2023. 13. 8. e074851-e074851
Influence of comorbidity on outcomes of older patients with acute pancreatitis based on a national administrative database
(Hepatobiliary and Pancreatic Diseases International 2015)
2016/01 - Interdisciplinary Medical, Dental and Soft-material Researches on the move -Showcase Review in Kitakyushu- AWARD FOR BEST POSTER PRESENTATION Development of health data analysis system for corporate health insurance society