Peter Passias

Lumbar Facet Joint Motion in Patients with Degenerative Disc Disease at Affected and Adjacent Levels: An In Vivo Biomechanical Study

Qun Xia, Guoan Li, Guoan Li, 2011, Spine.

Measurement of Vertebral Kinematics Using Noninvasive Image Matching Method–Validation and Application

Gang Li, Guoan Li, Guoan Li, 2008, Spine.

How Does Lumbar Degenerative Disc Disease Affect the Disc Deformation at the Cephalic Levels In Vivo?

Qun Xia, Guoan Li, Guoan Li, 2011, Spine.

Measurement of geometric deformation of lumbar intervertebral discs under in-vivo weightbearing condition.

Qun Xia, Guoan Li, Guoan Li, 2009, Journal of biomechanics.