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Melloh, Markus; Elfering, Achim; Chapple, Cathy M; Käser, Anja; Rolli Salathé, Cornelia; Barz, Thomas; Röder, Christoph; Theis, Jean-Claude (2013). Prognostic occupational factors for persistent low back pain in primary care. International archives of occupational and environmental health, 86(3), pp. 261-9. Berlin: Springer 10.1007/s00420-012-0761-9
