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Sinikallio, Sanna, Timo Aalto, Olavi Airaksinen, Arto Herno, Heikki Kröger, Sakari Savolainen, Veli Turunen, und Heimo Viinamäki. Somatic Comorbidity and Younger Age Are Associated With Life Dissatisfaction Among Patients With Lumbar Spinal Stenosis Before Surgical Treatment. Springer-Verlag, 2006.

Sinikallio, Sanna, et al. Somatic Comorbidity and Younger Age Are Associated With Life Dissatisfaction Among Patients With Lumbar Spinal Stenosis Before Surgical Treatment. Springer-Verlag, 2006.