Minimally invasive decompression versus open laminectomy for central stenosis of the lumbar spine: pragmatic comparative effectiveness study von Nerland, Ulf S, Jakola, Asgeir S, Solheim, Ole, Weber, Clemens, Rao, Vidar, Lønne, Greger, Solberg, Tore K, Salvesen, Øyvind, Carlsen, Sven M, Nygaard, Øystein P, Gulati, Sasha

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Transforaminal steroid injections in the treatment of cervical radiculopathy. A prospective outcome study von Kolstad, F, Leivseth, G, Nygaard, O P

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Recovery of sensory nerve fibres after surgical decompression in lumbar radiculopathy: use of quantitative sensory testing in the exploration of different populations of nerve fibr... von Nygaard, Ø P, Kloster, R, Mellgren, S I

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The inflammatory properties of contained and noncontained lumbar disc herniation von NYGAARD, Ø. P, MELLGREN, S. I, ØSTERUD, B

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Nerve root signs on postoperative lumbar MR imaging. A prospective cohort study with contrast enhanced MRI in symptomatic and asymptomatic patients one year after microdiscectomy von Nygaard, O P, Jacobsen, E A, Solberg, T, Kloster, R, Dullerud, R

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Postoperative Nerve Root Displacement and Scar Tissue: A prospective cohort study with contrast-enhanced MR imaging one year after microdiscectomy von Nygaard, Ø. P., Jacobsen, E. A., Solberg, T., Kloster, R., Dullerud, R.

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The Neck Disability Index (NDI) and its correlation with quality of life and mental health measures among patients with single-level cervical disc disease scheduled for surgery von Sundseth, J., Kolstad, F., Johnsen, L. G., Pripp, A. H., Nygaard, O. P., Andresen, H., Fredriksli, O. A., Myrseth, E., Züchner, M., Zwart, J. A.

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Local anesthesia in posterior cervical surgery von NYGAARD, Ø. P, ROMNER, B, THONER, J, DUE-TØNNESSEN, B

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No association between peridural scar and outcome after lumbar microdiscectomy von Nygaard, O P, Kloster, R, Dullerud, R, Jacobsen, E A, Mellgren, S I

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Four-year follow-up of surgical versus non-surgical therapy for chronic low back pain von Brox, Jens Ivar, Nygaard, Øystein P, Holm, Inger, Keller, Anne, Ingebrigtsen, Tor, Reikerås, Olav

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Duration of symptoms as a predictor of outcome after lumbar disc surgery von NYGAARD, Ø. P, ROMNER, B, TRUMPY, J. H

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Recovery of Muscle Strength after Microdiscectomy for Lumbar Disk Herniation: A Prospective Cohort Study with 1-Year Follow-Up von Lønne, G., Solberg, T. K., Sjaavik, K., Nygaard, ø. P.

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The function of sensory nerve fibers in lumbar radiculopathy. Use of quantitative sensory testing in the exploration of different populations of nerve fibers and dermatomes von Nygaard, O P, Mellgren, S I

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Health-related quality of life assessment by the EuroQol-5D can provide cost-utility data in the field of low-back surgery von Solberg, Tore K, Olsen, Jan-Abel, Ingebrigtsen, Tor, Hofoss, Dag, Nygaard, Oystein P

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Cost-Effectiveness of Total Disc Replacement Versus Multidisciplinary Rehabilitation in Patients With Chronic Low Back Pain: A Norwegian Multicenter RCT von Johnsen, Lars Gunnar, Hellum, Christian, Storheim, Kjersti, Nygaard, Øystein P, Brox, Jens Ivar, Rossvoll, Ivar, Rø, Magne, Andresen, Hege, Lydersen, Stian, Grundnes, Oliver, Pedersen, Marit, Leivseth, Gunnar, Olafsson, Gylfi, Borgström, Fredrik, Fritzell, Peter

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Thromboplastin activity of blood monocytes after total hip replacement von NYGAARD, Ø. P, UNNEBERG, K, REIKERAS, O, OÊSTERUD, B

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Cost-Effectiveness of Total Disc Replacement Versus Multidisciplinary Rehabilitation in Patients With Chronic Low Back Pain von Johnsen, LG, Hellum, C, Storheim, K, Nygaard, OP, Brox, JI, Rossvoll, I, Ro, M, Andresen, H, Lydersen, S, Grundnes, O

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Eight year outcome after surgery for lumbar disc herniation: a comparison of reoperated and not reoperated patients von Vik, A, Zwart, J A, Hulleberg, G, Nygaard, O P

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The risk of "getting worse" after lumbar microdiscectomy von Solberg, Tore K, Nygaard, Oystein P, Sjaavik, Kristin, Hofoss, Dag, Ingebrigtsen, Tor

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Degeneration and height of cervical discs classified from MRI compared with precise height measurements from radiographs von Kolstad, Frode, Myhr, Gunnar, Kvistad, Kjell Arne, Nygaard, Øystein P., Leivseth, Gunnar

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