Mannion, A. F., Junge, A., Grob, D., Dvorak, J., & Fairbank, J. C. T. (2005). Development of a German version of the Oswestry Disability Index. Part 2: Sensitivity to change after spinal surgery. Springer-Verlag.

Mannion, A. F., A. Junge, D. Grob, J. Dvorak, ja J. C. T. Fairbank. Development of a German Version of the Oswestry Disability Index. Part 2: Sensitivity to Change After Spinal Surgery. Springer-Verlag, 2005.

Mannion, A. F., et al. Development of a German Version of the Oswestry Disability Index. Part 2: Sensitivity to Change After Spinal Surgery. Springer-Verlag, 2005.