Takumi Tanikawa, Masayuki Koyama, Ryuichi Nakayama, Tsuyoshi Mukohara, Naoki Fujimoto, Shintaro Takatsuka, Jun Fukuda, Hidehiro Ozawa. COVID-19 Online Health Monitoring System to Support Municipal Health Centers. Studies in health technology and informatics. 2024. 310. 1554-1555
Ryuichi Nakayama, Naofumi Bunya, Takashi Tagami, Mineji Hayakawa, Kazuma Yamakawa, Akira Endo, Takayuki Ogura, Atsushi Hirayama, Hideo Yasunaga, Shuji Uemura, et al. Associated organs and system with COVID-19 death with information of organ support: a multicenter observational study. BMC infectious diseases. 2023. 23. 1. 814-814
Ryuichi Nakayama, Naofumi Bunya, Shuji Uemura, Keigo Sawamoto, Eichi Narimatsu. Prehospital advanced airway management and ventilation for out-of-hospital cardiac arrest with prehospital return of spontaneous circulation: a prospective observational cohort study in Japan. Prehospital emergency care. 2023. 1-12
Ryuichi Nakayama, Kenshiro Wada, Naofumi Bunya. Discrepancy in units in "In vivo carbon dioxide clearance of a low-flow extracorporeal carbon dioxide removal circuit in patients with acute exacerbations of chronic obstructive pulmonary disease". Perfusion. 2023. 38. 5. 1098-1099