Wu, S., Kuo, L., Lan, H. H., Tsai, S., Chen, C., & Su, F. (2007). The quantitative measurements of the intervertebral angulation and translation during cervical flexion and extension. Springer-Verlag.

Wu, Shyi-Kuen, Li-Chieh Kuo, Haw-Chang H. Lan, Sen-Wei Tsai, Chiung-Ling Chen, and Fong-Chin Su. The Quantitative Measurements of the Intervertebral Angulation and Translation During Cervical Flexion and Extension. Springer-Verlag, 2007.

Wu, Shyi-Kuen, et al. The Quantitative Measurements of the Intervertebral Angulation and Translation During Cervical Flexion and Extension. Springer-Verlag, 2007.