1) 川井 章，錢谷聖子，中野理恵．全国骨・軟部腫瘍登録．Bone Joint Nerve 2018；8(3)：395-401．
2) 川井 章．肉腫の疫学—全国骨・軟部腫瘍登録．日本臨床2020；78(5)：35-42．
3) 小倉浩一，川井 章．全国骨・軟部腫瘍登録．臨整外2024；59(7)：929-35．
4) 小倉浩一，川井 章．全国骨・軟部腫瘍登録．Orthopaedics 2022；35(6)：47-56．
5) Ogura K, Morizane C, Satake T, et al. Statistics of bone sarcoma in Japan:report from the population-based cancer registry in Japan. Int J Clin Oncol 2024;29(9):1209-19.
6) Ogura K, Kawano H, Shimose S, et al. Osteosarcoma in Japan:report from the bone and soft tissue tumor registry 2006-2022. Jpn J Clin Oncol 2025;55(9):1046-53.
7) Ogura K, Higashi T, Kawai A. Statistics of bone sarcoma in Japan:report from the bone and soft tissue tumor registry in Japan. J Orthop Sci 2017;22(1):133-43.
8) Ogura K, Morizane C, Satake T, et al. Incidence and age- and site-specific characteristics of osteosarcoma:a population-based study using National Cancer Registry 2016-2019. Jpn J Clin Oncol 2025;55(9):1037-45.
9) Takemori T, Ogura K, Morizane C, et al. Clear cell sarcoma in Japan:an analysis of the population-based cancer registry in Japan. Jpn J Clin Oncol 2024;54(12):1281-7.
10) Takemori T, Ogura K, Morizane C, et al. Epidemiology and outcomes of retroperitoneal sarcoma:an analysis of the population-based cancer registry in Japan 2016-2019. J Surg Oncol 2025;132(6):1106-15.
