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Schiphorst Preuper, Henrica R., Jan H. B. Geertzen, Marten van Wijhe, Anne M. Boonstra, Barbara H. W. Molmans, Pieter U. Dijkstra, a Michiel F. Reneman. Do Analgesics Improve Functioning in Patients With Chronic Low Back Pain? An Explorative Triple-blinded RCT. Springer Berlin Heidelberg, 2014.

Schiphorst Preuper, Henrica R., et al. Do Analgesics Improve Functioning in Patients With Chronic Low Back Pain? An Explorative Triple-blinded RCT. Springer Berlin Heidelberg, 2014.