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Chung, Chin-Teng, Sen-Wei Tsai, Chun-Jung Chen, Ting-Chung Wu, David Wang, Haw-Chang H. Lan, and Shyi-Kuen Wu. Comparison of the Intervertebral Disc Spaces between Axial and Anterior Lean Cervical Traction. Springer-Verlag, 2009.

Chung, Chin-Teng, et al. Comparison of the Intervertebral Disc Spaces between Axial and Anterior Lean Cervical Traction. Springer-Verlag, 2009.