Kyeong-Sik Ryu

Accuracy and Safety in Pedicle Screw Placement in the Thoracic and Lumbar Spines : Comparison Study between Conventional C-Arm Fluoroscopy and Navigation Coupled with O-Arm® Guided Methods

Myung-Hoon Shin, Kyeong-Sik Ryu, Chun-Kun Park, 2012, Journal of Korean Neurosurgical Society.

Degenerative Changes of Discs and Facet Joints in Lumbar Total Disc Replacement Using ProDisc II: Minimum Two-Year Follow-up

W. Jee, Kyeong-Sik Ryu, Chun-Kun Park, 2008, Spine.

Prospective Comparison Study Between the Fluoroscopy-guided and Navigation Coupled With O-arm–guided Pedicle Screw Placement in the Thoracic and Lumbosacral Spines

Myung-Hoon Shin, Kyeong-Sik Ryu, Chun-Kun Park, 2015, Journal of spinal disorders & techniques.