Peter G Passias

Biomechanical Evaluation of the X-Stop Device for Surgical Treatment of Lumbar Spinal Stenosis

Guoan Li, Guoan Li, Shaobai Wang, 2012, Journal of spinal disorders & techniques.

Range of Motion and Orientation of the Lumbar Facet Joints In Vivo

Gang Li, Qun Xia, Guoan Li, 2009, Spine.