- Pycnodysostosis with Multi-Segmental Spinal Canal Stenosis due to Ossification of the Yellow Ligament
- Keiji Wada, Koichi Kanaya, Yasuaki Murata, Yoshiharu Kato
- Asian Spine J. 2015;9(2):286-289. Published online April 15, 2015
- Drop Metastasis of Adrenocorticotropic Hormone-Producing Pituitary Carcinoma to the Cauda Equina
- Kenichi Takeuchi, Yoko Hagiwara, Koichi Kanaya, Keiji Wada, Masahiro Shiba, Yoshiharu Kato
- Asian Spine J. 2014;8(5):680-683. Published online October 18, 2014