A prospective cohort study comparing the VAS spine score and Roland-Morris disability questionnaire in patients with

J Siebenga1, V J M Leferink, M J M Segers

  • 1Atrium Medisch Centrum Parkstad, Postbus 4446, 6401 CX, Heerlen, The Netherlands. j.siebenga@atriummc.nl

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