- Complete Resolution of a Case of Calcific Tendinitis of the Longus Colli with Conservative Treatment
- Fumitake Tezuka, Toshinori Sakai, Ryo Miyagi, Yoichiro Takata, Kosaku Higashino, Shinsuke Katoh, Koichi Sairyo, Natsuo Yasui
- Asian Spine J. 2014;8(5):675-679. Published online October 18, 2014
- MRI Changes of the Spinal Subdural Space after Lumbar Spine Surgeries: Report of Two Cases
- Toshinori Sakai, Koichi Sairyo, Nitin N. Bhatia, Ryo Miyagi, Tatsuya Tamura, Shinsuke Katoh, Natsuo Yasui
- Asian Spine J. 2011;5(4):262-266. Published online November 28, 2011
- Hemorrhagic Facet Cyst in the Lumbar Spine Causing Contralateral Leg Symptoms: A Case Report
- Risa Utsunomiya, Toshinori Sakai, Keizo Wada, Koichi Sairyo, Hirofumi Kosaka, Shinsuke Katoh, Natsuo Yasui
- Asian Spine J. 2011;5(3):196-200. Published online August 12, 2011