Kamper, S. J., Maher, C. G., Herbert, R. D., Hancock, M. J., Hush, J. M., & Smeets, R. J. (2010). How little pain and disability do patients with low back pain have to experience to feel that they have recovered? Springer-Verlag.

Kamper, Steven J., Christopher G. Maher, Robert D. Herbert, Mark J. Hancock, Julia M. Hush, and Robert J. Smeets. How Little Pain and Disability Do Patients With Low Back Pain Have to Experience to Feel That They Have Recovered? Springer-Verlag, 2010.

Kamper, Steven J., et al. How Little Pain and Disability Do Patients With Low Back Pain Have to Experience to Feel That They Have Recovered? Springer-Verlag, 2010.