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Held, Ulrike; Steurer, Johann; Pichierri, Giuseppe; Wertli, Maria Monika; Farshad, Mazda; Brunner, Florian; Guggenberger, Roman; Porchet, François; Fekete, Tamás F; Schmid, Urs D; Gravestock, Isaac; Burgstaller, Jakob M (2019). What is the treatment effect of surgery compared with nonoperative treatment in patients with lumbar spinal stenosis at 1-year follow-up? Journal of neurosurgery - spine, 31(2), pp. 185-193. American Association of Neurological Surgeons 10.3171/2019.1.SPINE181098
