DaltroyLHCats-BarilWLKatzJNFosselAHLiangMH. The North American Spine Society lumbar spine outcome assessment instrument: reliability and validity tests. Spine1996; 21: 741–749.
2.
AngstFVerraMLLehmannSGysiFBenzTAeschlimannA. Responsiveness of the cervical Northern American Spine Society questionnaire (NASS) and the Short Form 36 (SF-36) in chronic whiplash. Clin Rehabil2012; 26: 142–151.
3.
KatzJN. Measures of adult back and neck function. Arthritis Rheum2003; 49(5S): S43–S49.
4.
PoseBSanghaOPetersAWildnerM. Validierung des North American Spine Society Instrumentes zur Erfassung des Gesundheitsstatus bei Patienten mit chronischen Rückenbeschwerden (Validation of the German Version of the North American Spine Society (NASS) Cervical and Lumbar Spine Outcome Instrument). Z Orthop1999; 137: 437–441.
5.
SanghaOWildnerMPetersA. Auswertung des North American Spine Society Instrumentes zur Erfassung des Gesundheitsstatus bei Patienten mit chronischen Rückenbeschwerden (Evaluation of the North American Spine Society instrument for assessment of health in patients with chronic back pain). Z Orthop2000; 138: 447–451.
6.
PfeiferBDaltroyLFosselAH. The NASS/COSS/AAOS patient-based outcomes assessment cervical instrument: validity, reliability and sensitivity testing. Spine J2002; 2(5S): 116–117.
7.
BombardierC. Outcome assessments in the evaluation of treatment of spinal disorders. Spine2000; 25: 3100–3103.