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Melloh, M; Elfering, A; Egli Presland, C; Roeder, C; Barz, T; Rolli Salathé, C; Tamcan, O; Mueller, U; Theis, J C (2009). Identification of prognostic factors for chronicity in patients with low back pain: a review of screening instruments. International orthopaedics, 33(2), pp. 301-13. Heidelberg: Springer-Verlag 10.1007/s00264-008-0707-8
Melloh, M; Elfering, A; Egli Presland, C; Röder, C; Hendrick, P; Darlow, B; Theis, JC. (2011). Predicting the transition from acute to persistent low back pain. In: The International Society for the Study of the Lumbar Spine Annual Meeting. Göteborg, 14th – 18th June 2011: The International Society for the Study of the Lumbar Spine Annual Meeting
