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Rydman E, Ponzer S, Brisson R, Ottosson C, Pettersson-Järnbert H.Rydman E, et al. Among authors: ottosson c.Eur Spine J. 2018 Jun;27(6):1255-1261. doi: 10.1007/s00586-018-5507-2. Epub 2018 Feb 10.Eur Spine J. 2018.PMID: 29429037