%0 Journal Article %A A.A Vendrig %A P.F. van Akkerveeken %T WORKSTATUS 4 YEARS AFTER A MULTIDISCIPLINARY “RETURN TO WORK” PROGRAMME FOR CHRONIC BACK PAIN. A PROSPECTIVE LONGITUDINAL STUDY %D 2002 %J Orthopaedic Proceedings %P 145-145 %V 84-B %N SUPP_II %R 10.1302/0301-620X.84BSUPP_II.0840145c %U https://doi.org/10.1302/0301-620X.84BSUPP_II.0840145c %K