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Schumann, Barbara and Bolm-Audorff, Ulrich and Bergmann, Annekatrin and Ellegast, Rolf and Elsner, Gine and Grifka, Joachim and Haerting, Johannes and Jäger, Matthias and Michaelis, Martina and Seidler, Andreas (2010) Lifestyle factors and lumbar disc disease: results of a German multi-center case-control study (EPILIFT). Arthritis research & therapy 12 (5), R193.