Bergström, G., Bodin, L., Bertilsson, H., & Jensen, I. B. (2007). Risk factors for new episodes of sick leave due to neck or back pain in a working population. A prospective study with an 18‐month and a three‐year follow‐up. BMJ Group.

Bergström, Gunnar, Lennart Bodin, Helena Bertilsson, ja Irene B. Jensen. Risk Factors for New Episodes of Sick Leave Due to Neck or Back Pain in a Working Population. A Prospective Study With an 18‐month and a Three‐year Follow‐up. BMJ Group, 2007.

Bergström, Gunnar, Lennart Bodin, Helena Bertilsson, ja Irene B. Jensen. Risk Factors for New Episodes of Sick Leave Due to Neck or Back Pain in a Working Population. A Prospective Study With an 18‐month and a Three‐year Follow‐up. BMJ Group, 2007.