Bakker, E. W. P., Verhagen, A. P., Lucas, C., Koning, H. J. C. M. F., de Haan, R. J., & Koes, B. W. (2006). Daily spinal mechanical loading as a risk factor for acute non-specific low back pain: A case–control study using the 24-Hour Schedule. Springer-Verlag.

Bakker, Eric W. P., Arianne P. Verhagen, Cees Lucas, Hans J. C. M. F. Koning, Rob J. de Haan, e Bart W. Koes. Daily Spinal Mechanical Loading As a Risk Factor for Acute Non-specific Low Back Pain: A Case–control Study Using the 24-Hour Schedule. Springer-Verlag, 2006.

Bakker, Eric W. P., et al. Daily Spinal Mechanical Loading As a Risk Factor for Acute Non-specific Low Back Pain: A Case–control Study Using the 24-Hour Schedule. Springer-Verlag, 2006.