Otani, Y., Kurozumi, K., Ishida, J., Hiramatsu, M., Kameda, M., Ichikawa, T., & Date, I. (2018). Combination of the tubular retractor and brain spatulas provides an adequate operative field in surgery for deep-seated lesions: Case series and technical note. Surg Neurol Int.

Otani, Yoshihiro, Kazuhiko Kurozumi, Joji Ishida, Masafumi Hiramatsu, Masahiro Kameda, Tomotsugu Ichikawa, and Isao Date. "Combination of the Tubular Retractor and Brain Spatulas Provides an Adequate Operative Field in Surgery for Deep-seated Lesions: Case Series and Technical Note." Surg Neurol Int 2018.

Otani, Yoshihiro, et al. "Combination of the Tubular Retractor and Brain Spatulas Provides an Adequate Operative Field in Surgery for Deep-seated Lesions: Case Series and Technical Note." Surg Neurol Int 2018.