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Sinikallio, Sanna, Timo Aalto, Heli Koivumaa-Honkanen, Olavi Airaksinen, Arto Herno, Heikki Kröger, et Heimo Viinamäki. Life Dissatisfaction Is Associated With a Poorer Surgery Outcome and Depression Among Lumbar Spinal Stenosis Patients: A 2-year Prospective Study. Springer-Verlag, 2009.

Sinikallio, Sanna, et al. Life Dissatisfaction Is Associated With a Poorer Surgery Outcome and Depression Among Lumbar Spinal Stenosis Patients: A 2-year Prospective Study. Springer-Verlag, 2009.